Air Source Heat Pump Water Heater
43
The water heater stops operation and
the wired controller displays UP
Power protection of inverter fan
The water heater stops operation and
the wired controller displays AE
Detection circuit malfunction of driven
current of inverter outdoor fan
The water heater stops operation and
the wired controller displays AJ
Desynchronizing protection of inverter
outdoor fan
The water heater stops operation and
the wired controller displays A6
Driven communication malfunction
between main control and inverter
outdoor fan
The water heater stops operation and
the wired controller displays A8
High temperature protection of driven
module of inverter outdoor fan
The water heater stops operation and
the wired controller displays A9
Malfunction of temperature sensor of
driven module of inverter outdoor fan
The water heater stops operation and
the wired controller displays An
Malfunction of drive storage chip of
inverter outdoor fan
The water heater stops operation and
the wired controller displays AU
Drive charting loop malfunction of
inverter outdoor fan
The water heater stops operation and
the wired controller displays AP
Abnormal protection of driven AC input
of inverter outdoor fan
The water heater stops operation and
the wired controller displays Ar
Malfunction of temperature sensor of
drive electric box of inverter fan
The water heater stops operation and
the wired controller displays U9
Zero-crossing protection of drive AC
input of inverter fan
The water heater stops operation and
the wired controller displays EE
Malfunction of storage chip of main
control
There’s harsh sound during operation;
There’s off-flavor during operation;
Air switch or leakage protection switch
breaks off frequently.
There may be risk for the safety.
Please stop operation immediately
and cut off the power.
After-sales service
If there’s quality or other problems for the
C&H
products, please contact with
C&H
local appointed maintenance center.