Quick reference for the Wag'n'Tails Ultra vans: find your symptom, work the checks top to bottom, and stop the moment you hit an escalate condition. Blanks like fuse/breaker ratings vary by build year — fill in from your van's labels and owner's manual.
If you've run low on something, a pet or person is hurt, you can't park, or the day is otherwise disrupted, use the companion Van Operations & Incident Field Guide instead. This guide is for equipment that won't work.
Safety first
- If a pet is on the table when a system fails, secure the pet before troubleshooting.
- Never investigate a fuel smell, electrical burning smell, or smoke — shut the system down, exit, and call for help.
- Generator and water heater run on fuel/propane: shut off at the source before inspecting.
- Any "Stop / escalate" condition means stop and get with management — do not keep working the van.
1. Power, Generator & Electrical
The generator powers everything. Most "dead van" calls trace back to fuel, a tripped breaker, or a low start battery.
Generator won't start / won't crank
- Check fuel level FIRST — the generator often has its own draw or shutoff point; don't trust the dash gauge alone.
- Check oil level — the low-oil sensor will block start. Always verify oil before anything else.
- Confirm the generator battery/start switch is ON.
- Look for a tripped generator breaker and reset once.
- Listen: clicks but no crank = weak battery; nothing = switch/fuse.
- If it's a weak battery, start the van engine, wait 5 minutes, then try again.
Stop / escalate if: no crank after one reset, or fuel/oil are OK — get with management.
Generator starts then dies
- Top off fuel and retry (air gets in the line after running near empty).
- Check for a clogged air filter or blocked exhaust/vent.
- Note any error code or beep pattern and record it.
- Let it cool 10 minutes if it ran hot, then restart.
Stop / escalate if: repeated stalls or it ran hot — stop, get with management.
Generator runs but no power inside
- Check the generator breakers FIRST — reset the main, then individual circuit breakers.
- Verify GFCI outlets aren't tripped (press RESET).
- Confirm you're not on "shore" mode with nothing plugged in.
- Only if still dead, check the transfer switch position (hard to reach on these vans).
Stop / escalate if: power on one circuit only — isolate that circuit, get with management.
Breaker keeps tripping
- Unplug the highest-draw item on that circuit (dryer/heater).
- Reset once; run equipment one at a time to find the culprit.
- Check for a wet or corroded outlet.
- Don't run dryer + water heater + HVAC on the same leg at once.
Stop / escalate if: it trips with nothing plugged in — wiring fault, get with management.
Lights dim / flicker when the dryer runs
- A mild dip on startup is normal; note if it recovers.
- Reduce simultaneous load (stagger dryer and heater).
- Check generator fuel — starving units sag under load.
Stop / escalate if: severe sag or the generator bogs down — get with management.
Shore power not charging / not working
- Confirm the pedestal/outlet is live (test another device).
- Check shore cord and adapter seating at both ends.
- Inspect the cord for damage; reset the shore breaker.
- Verify the transfer switch is set to shore.
Stop / escalate if: cord warm/melted or sparks — unplug, get with management.
2. Water System (Heater, Pump & Plumbing)
No water or no hot water are the two most common mid-bath failures. Most are fresh-tank level, a tripped pump, or a heater lockout.
No water at all / pump won't prime
- Check fresh water tank level — the #1 cause.
- Confirm the water pump switch is ON and its breaker/fuse is good.
- Listen: pump cycling but no flow = air lock or empty tank.
- Open a faucet to bleed air, let the pump catch prime.
- Check the pump inlet filter/strainer for clogging.
Stop / escalate if: the pump runs dry repeatedly — shut off the pump, get with management.
Weak water pressure
- Check tank level (low tank = weak draw).
- Clean the pump inlet strainer and faucet aerator.
- Inspect for a kinked or pinched supply line.
- Listen for the pump short-cycling (failing pressure switch).
Stop / escalate if: pressure drops with a full tank — get with management.
No hot water
- Check the generator breakers AND the water heater breaker FIRST — the electric-start backup needs power.
- Confirm the water heater switch is ON.
- Check fuel/propane supply and that the valve is open.
- Look for a lockout light — reset once per the manual.
- Verify water IS flowing (the heater won't fire with no flow).
- Bleed air if the heater is on-demand and sputtering.
Stop / escalate if: it won't relight, or you smell propane — shut off, exit, get with management.
Water too hot / scalding
- Turn the heater setpoint down immediately.
- Mix in cold at the faucet; don't bathe until stabilized.
- Note if the temp is wildly inconsistent (thermostat fault).
Stop / escalate if: you can't control the temp — stop bathing pets, get with management.
Water heater won't ignite (propane)
- Confirm the propane tank isn't empty and the valve is open.
- Reset the heater lockout once.
- Check for a clicking igniter; listen for gas flow.
- Make sure water is flowing through it.
Stop / escalate if: gas smell, soot, or repeated lockout — shut off, get with management.
Grey/waste tank full or won't drain
- Check the waste tank level indicator.
- Drain at an approved site before continuing.
- Clear the drain screen of hair/debris.
- Confirm the dump valve fully opens and reseats.
Stop / escalate if: backflow into the tub — stop draining, get with management.
Leak under the tub / on the floor
- Locate the source: supply line, drain fitting, or tank.
- Shut the pump OFF to stop pressurized leaks.
- Tighten visibly loose fittings hand-tight.
- Catch/contain water; protect electrical below.
Stop / escalate if: the leak is near any electrical — kill power, get with management.
3. HVAC, Climate & Ventilation
Climate control protects the pets, not just the groomer. Treat overheating as urgent.
A/C not cooling
- Check the generator breakers AND the A/C breaker FIRST — a flipped breaker is the most common cause.
- Confirm generator/shore power is steady (A/C is high-draw).
- Set the fan to a lower speed first, then call for cool.
- Clean/replace a clogged intake filter.
- Make sure vents aren't blocked by supplies.
Stop / escalate if: the compressor won't engage or the van is hot — protect the pet, get with management.
Heat not working
- Check the generator breakers AND the heater breaker/fuse FIRST — a flipped breaker is a common cause.
- Confirm the power source.
- If it's a propane furnace: check fuel and valve, reset the lockout once.
- Clear the intake/return of obstructions.
- Verify the thermostat setpoint and mode.
Stop / escalate if: propane smell or no heat in cold weather — shut off, get with management.
Van too hot for pets
- Stop grooming; get the pet to the coolest spot/airflow.
- Open doors/vents and run max fan or A/C.
- Reduce dryer/heat-generating equipment use.
- Check the generator is carrying the A/C load.
Stop / escalate if: you can't bring the temp down fast — end the shift, prioritize the pet.
Poor ventilation / fogging / fumes
- Turn on the exhaust/roof vent fan.
- Crack a window or door for cross-flow.
- Confirm the roof vent isn't stuck closed.
- If you smell exhaust, suspect a generator/exhaust leak.
Stop / escalate if: any exhaust smell inside — exit, kill the generator, get with management.
Roof vent / fan not working
- Check the vent fan switch and fuse.
- Confirm the vent lid is open (it won't pull air if shut).
- Listen for the motor; clear debris from the blade.
Stop / escalate if: the motor hums but won't spin — get with management.
4. Grooming Equipment (Dryers, Tub, Lift & Clippers)
These are usually power-related: a tripped circuit, an overheated motor on thermal cutout, or a loose plug.
Force/HV dryer won't turn on
- Check the generator breakers AND the van's main breakers FIRST — a flipped breaker is the most common cause.
- Check the outlet/circuit it's on (reset GFCI or breaker).
- Confirm the dryer's own switch and cord seating.
- Listen for a thermal-overload click — let it cool 15 minutes.
- Try a different known-good outlet.
Stop / escalate if: burning smell or sparks — unplug, tag out, get with management.
Dryer cuts out mid-use (overheating)
- Stop and let the motor cool — the thermal cutout tripped.
- Clean the intake filter (clogged = overheat).
- Don't run it on the same circuit as the heater/A/C.
Stop / escalate if: it won't restart after cooling — get with management.
Weak dryer airflow
- Clean the intake and check the filter.
- Inspect the hose for kinks, cracks, or blockage.
- Confirm full power (not on a sagging circuit).
Stop / escalate if: airflow is still weak after cleaning — get with management.
Hydraulic/electric tub lift won't raise or lower
- Check the generator breakers AND the van's main breakers FIRST — a flipped breaker kills power to the lift.
- Verify the work-area GFCI outlet isn't tripped (press RESET).
- Confirm power to the lift and its switch/fuse.
- Check for an obstruction under or around the table.
- Don't exceed the weight limit.
- Look for a manual release/override per the manual.
Stop / escalate if: the lift drops, sticks, or leaks fluid — stop, get with management.
Clippers / outlets dead at a station
- Check the generator breakers AND the van's main breakers FIRST — a flipped breaker is the most common cause.
- Reset the GFCI for that station.
- Reset the station's breaker once.
- Test the outlet with another device.
Stop / escalate if: the outlet is warm or scorched — stop using it, get with management.
Tub drains slowly / clogs
- Clear the hair trap/strainer (do this between every dog).
- Flush with hot water.
- Check the grey tank isn't full and backing up.
Stop / escalate if: standing water won't clear — get with management.
5. CleanPower System (Endura) Vans Only
For the two CPS Endura vans — no generator and no LP furnace. Power comes from a 1,600Ah lithium pack and dual inverters, managed by one control screen. It charges overnight from a standard 20-amp outlet. Section 1 (generator) and the LP-furnace parts of Section 3 do NOT apply to these vans.
No power to outlets / equipment
- Check the CPS control screen for the system state and any fault/error message.
- Confirm the inverters are ON (system switched on, not in standby/storage mode).
- Check the battery state of charge on the screen — a deeply drained pack can shut output off.
- Reset the affected circuit breaker once.
- Verify GFCI outlets aren't tripped (press RESET).
Stop / escalate if: the screen shows a fault or won't power on — get with management.
Battery low / won't hold charge
- Confirm it was plugged in overnight and actually charged.
- Check the shore cord seating at both the van inlet and the 20-amp outlet.
- Confirm the outlet/breaker at the parking spot is live (test another device).
- Watch the screen: the charge rate should climb when plugged in.
- Reduce A/C + dryer load to stretch the remaining charge through the day.
Stop / escalate if: it won't charge or drains fast with light use — get with management.
Won't charge when plugged in
- Confirm the outlet is a working standard 20-amp (not a dead/switched outlet).
- Reseat the shore cord at both ends; check for damage.
- Reset the location's breaker and the van's charge breaker once.
- Confirm the screen shows "charging," not just "plugged in."
Stop / escalate if: cord warm/melted, or the screen shows a charge fault — unplug, get with management.
Inverter fault / shuts off under load
- Note the exact error/code on the control screen.
- Reduce load — don't run A/C + dryer + heater at once; restart equipment one at a time.
- Let the system cool if it ran hot, then clear the fault per the screen.
- Confirm the cooling vents around the battery/inverter bay aren't blocked.
Stop / escalate if: repeated shutdowns or it ran hot — stop, get with management.
Control screen blank / unresponsive
- Check that the master system switch is ON.
- Confirm the 12V system feeding the screen is live.
- Look for a dedicated screen/system fuse or breaker.
- Don't keep cycling power repeatedly — note the behavior and stop.
Stop / escalate if: the screen stays dead — get with management.
A/C or electric heat weak / cutting out
- Check battery charge — high-draw items sag a low pack.
- Reduce simultaneous load; run one big draw at a time.
- Clean the A/C intake filter.
- Confirm there's no inverter fault on the screen.
Stop / escalate if: you can't keep the van climate-safe for pets — prioritize the pet, get with management.
6. Vehicle, Battery & Pre-Shift Checks
The chassis/house batteries and tire condition strand more vans than the grooming equipment does. Two minutes up front prevents a roadside call.
Van won't start (engine)
- Lights/dash dead = chassis battery; jump per the manual.
- Clicks only = weak battery or loose terminal.
- Confirm you're not draining the start battery running house loads.
- Check the battery disconnect switch position.
Stop / escalate if: repeated dead battery — charging fault, get with management.
House battery dead / low
- Verify it's charging off generator/shore (or the CPS screen on Endura vans).
- Check the battery disconnect/isolator switch.
- Note if a parasitic load is draining it overnight.
Stop / escalate if: it won't hold a charge — get with management.
Warning light on dash
- Note which light and look it up in the vehicle manual.
- Check oil and coolant if it's an engine warning.
- Don't ignore brake, temp, or oil-pressure lights.
Stop / escalate if: brake / temp / oil-pressure light — stop driving, get with management.
Tire low / warning
- Visually check all tires before pulling out.
- Air to door-jamb spec; loaded vans run heavy.
- Inspect for nails, sidewall bulges, uneven wear.
Stop / escalate if: bulge or rapid leak — don't drive, get with management.
30-second pre-shift check
- Fuel: vehicle + generator both above 1/4
- Water: fresh tank full, grey tank empty
- Power: generator starts, inside outlets live
- Climate: A/C or heat responds
- Tires + walkaround for leaks/damage
- Hair traps clear in tub and drains