Pavilion PV Series Owner's Manual page 34

Troubleshooting-2
The power ON/OFF indicator
does not light up.
The clock display shows
"- : - -".
The temperature setting cannot
be changed when a button is
pressed.
The clock display is blinking.
The room does not get warm.
The heating does not operate.
The fan can be heard after
operation is stopped.
A motor can be heard when turning the unit ON
or OFF, when opening or closing a fixture, or
after the unit has been running for a while.
The fan can be heard when it is
very cold outside.
Rotating sound.
(low humming sound.)
34
Operation Display
• Has there been a power failure?
• Is the power connected properly?
• If the time has not been set, The clock display shows
"- : - -". ( page 13)
• The temperature setting is locked.
While the temperature setting is locked, the temperature
setting cannot be changed. (
• In the event of a power outage or after disconnecting
power to the Combi Boiler, when power is restored the
clock time will blink.
• If you find the clock blinking, readjust the clock. (
Heating
• Is the gas valve, return valve and supply valve fully open?
• Is the gas being cut off by the gas meter?
(Can other gas devices such as stoves be used?)
• (For LP) Is there enough gas in the tank?
(Can other gas devices such as stoves be used?)
• Is the water drain valve filter clogged with debris?
( page 30)
• Is the power button turned on?
• Is the heating switch of a room thermostat turned on?
• Can the sound of the pump be heard? If not, there may be a
malfunction. Contact your installer or a qualified service technician.
• Increase heating temperature setting.
Sounds
• These noises indicate the proper operation of devices
which are designed to let the unit reignite more quickly,
and ensure the water temperature is stable.
• The unit may operate freeze prevention.
During freeze prevention,
Display.
• The sound is from the pump operating to prevent freezing.
• The unit automatically operates the pump for several seconds
when the unit has not been used for approximately 30 days to
prevent the pump from malfunctioning due to build-up of deposits.
page 21)
page 13)
is lit on the Operation