Whirlpool 11-0086-11 Owner's Manual download pdf (Page 52)

TROUBLESHOOTING cont...

This code is displayed when a “no ow”

condition is detected by in.therm.

Important: System will make three continuous

ow checks during 9 minutes before displaying

this error.

• Make sure water valves are open and water

level is high enough.

• Check and clean lters.

• Make sure there are no air locks (or that no

object obstructs passage of water in in.therm

channel). Pumps will make strange noise and

error “P1 ER” might appear. Follow atr lock

procedure to clear them.

• Make sure that pump associated to heater

(Pump #1 or Circulation Pump) is running. If

not, call spa manufacturer to get low level

prog. number.

This code occurs when a communication

problem exists between in.xw and in.therm.

• Make sure remote heater cables are

connected properly and that none of the cable

connector pins are bent.

• If problem persists, contact your local dealer

to schedule a service call.

High Limit hardware circuit tripped.

Usually, kinetic heating protection or current

monitoring circuitry will shut the heater down

before this error occurs. Still, if it appears there

are typically two possible causes.

• Heater was previously stored in a very hot

location prior to installation and there is no

water yet in its tube to cool it down. Use a

hose to cool down the interior of the tube.

• External ambient temperature is high enough

to heat water, even though pumps remain off.

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Whirlpool 11-0086-11 Owner's Manual Page 52