Check Before Requiring Services; Factory Pre-Installed Back-Up Heater - Panasonic PAW-VP1000LDHW Technical Manual

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Check Before Requiring Services

11.1 Factory pre-installed Back-up heater

Trouble shooting
Before you contact your dealer, check following points:
Symptom
Ait-to-Water unit does not run at
all although power is turned on.
If your Air-to-Water unit still does not work properly although you checked the points as de-
scribed above, first stop the operation and turn off the power switch. Then contact your dealer
and report the serial number and symptom.
Never repair your Air-to-Water unit by yourself since it is very dangerous for you to do so.
You also report if the inspection mark  and the letters E, F, H, L, P in combination with the
numbers appear on the LCD of the remote control unit.
Should the power fail while the unit is running
If the power supply for this unit is temporarily cut off, the unit will automatically resume operation
once power is restored using the same settings before the power was interrupted.
PAW-VP•LDHW - Technical Manual – 2019-11
Cause
Power failure or after power failure
Operation button is turned off.
Fuse blow out.
Improper temperature settings.
Check Before Requiring Services
Remedy
Press ON/OFF operation button on remote
controller again.
Switch on breaker if power is turned off.
If breaker has been tripped, consult your dealer
without turning it on.
If fuse is blown out, consult your dealer.
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