
5.1 Trouble shooting for common faults
FAILURE
Heat pump
doesn’t run
No power
Power switch is off
Fuse burned
The breaker is off
Fan running but
with insufficient
heating
evaporator blocked
Air outlet blocked
3 minutes start delay
Display normal,
but no heating
Set temp. too low
3 minutes
If above solutions don’t work, please contact your installer with detailed
information and your model number. Don’t try to repair it yourself.
Note: If the following conditions happen, please stop the machine immediately, and
the power supply immediately, then contact your dealer:
a
)
Inaccurate switch action;
b
)
The fuse is frequently broken or leakage circuit breaker jumped.
5.2 Failure code
Failure code Failure description
PP1
Water Inlet temperature sensor failure
PP2
Failure for the sensor to connect AIN2 terminal on PC board
PP3
Failure for the sensor to connect AIN3terminal on PC board
PP4
Gas return temp sensor
PP5
Air temp sensor
PP7
Heating ambient temperature too low protection
EE1
High pressure protection
EE2
Low pressure protection
EE3
Water flow switch failure
10
5. Trouble Shooting
Trouble shooting for common faults
REASON
SOLUTION
No power
Wait until the power recovers
Power switch is off
Switch on the power
Fuse burned
Check and change the fuse
The breaker is off
Check and turn on the breaker
evaporator blocked
Remove the obstacles
Air outlet blocked
Remove the obstacles
3 minutes start delay
Wait patiently
Set temp. too low
Set proper heating temp.
3 minutes start delay
Wait patiently
If above solutions don’t work, please contact your installer with detailed
information and your model number. Don’t try to repair it yourself.
If the following conditions happen, please stop the machine immediately, and
the power supply immediately, then contact your dealer:
Inaccurate switch action;
The fuse is frequently broken or leakage circuit breaker jumped.
Failure description
Water Inlet temperature sensor failure
Failure for the sensor to connect AIN2 terminal on PC board
Failure for the sensor to connect AIN3terminal on PC board
Gas return temp sensor failure
Air temp sensor failure
Heating ambient temperature too low protection
pressure protection
Low pressure protection
Water flow switch failure
SOLUTION
Wait until the power recovers
Switch on the power
Check and change the fuse
Check and turn on the breaker
Remove the obstacles
Remove the obstacles
Set proper heating temp.
If above solutions don’t work, please contact your installer with detailed
information and your model number. Don’t try to repair it yourself.
If the following conditions happen, please stop the machine immediately, and cut off
The fuse is frequently broken or leakage circuit breaker jumped.
Failure for the sensor to connect AIN2 terminal on PC board
Failure for the sensor to connect AIN3terminal on PC board
Содержание HidroTerm SHP03
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