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Check for an Error Code Display on the Operation Display
If there is a problem with the unit, a numerical error code will flash on the Operation Display.
If this occurs, take appropriate measures as listed below.
When an error code appears, the display and
the operation light will flash together.
Contact Pavilion Customer Center if:
• Any other error code appears.
• An error code is indicated again after the above actions were followed.
• There are any other questions.
Error Code
Cause
Action
Ignition error
Check whether the gas valve is open. Press the power
button to turn the unit off, open a hot water fixture,
and turn the unit back on. If the flashing number
doesn't return the problem is solved.
Check for air in the heating system or air lock
of internal pump. DO NOT ignore this condition.
Failure to properly remove air from the heating
system will cause this error to continuously appear
and potentially damage the Heat Exchanger.
High Limit Switch -Primary
Heat Exchanger triggered
Check for air in the heating system or air lock of internal
pump. The internal pump may be locked by air and then
can not supply water to the Heat Exchanger.
DO NOT ignore this condition. Failure to properly remove air
from the heating system will cause this error to continuously
appear and potentially damage the Heat Exchanger.
This error code will continue to be displayed
(warning indication only) on the Operation Panel
after reconnecting power. To clear this error code,
contact the nearest manufacturer’s authorized agent.
Internal Pump Abnormal
(Air Lock of Internal Pump)
This unit is equipped with an automatic service
reminder. If the display shows “88”, contact the
nearest anufacturer’s authorized agent.
Service Reminder
(Warning Indication)
Check air supply vent for blockage or obstruction.
( page 28)
[When supplying combustion
air from the indoors]
The air supply vent may be
clogged.
Check exhaust vent for blockage or obstruction.
Check condensate drain line is clogged or frozen.
If the display continues, contact the nearest
manufacturer’s authorized agent.
Have a professional check the gas supply pressure.
Exhaust vent may be clogged.
Condensate drain line may be
clogged.
Abnormal combustion,
low gas supply pressure.
Screen Display
Flashing
Troubleshooting-3
Содержание GHQ-C3201WX-FF PB US
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