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PPE
3.11. ERROR CODE AND TROUBLESHOOTING
Controlled captive type:
When alarm is released, it won’t recover non-alarm state, please
press
or restart for releasing alarm.
Non-Controlled captive type:
When alarm is released, it will recover non-alarm state
automatically. Customer can press
to release the alarm forcedly.
If thermocouple is abnormal and overheat alarm, the display would show actual temp. and
alarm code alternatively, except power outage alarm.
Error code
Fault
description
Possible causes
processing method
[E-01]-[CH1]
Temperature
probe 1 failure
Outlet temperature probe failure
Replace the temperature probe
[E-01]-[ CH2 ]
Temperature
probe 2 failure
Inlet temperature probe failure
Replace the temperature probe
[E-02-[PHRS]
Three-phase
abnormality
Power connection error
Abnormal power supply
Circuit board fault
Arbitrarily exchange two phases in the
incoming line of three-phase power
supply. Check three-phase power supply
Replace the circuit board
[E-03]-[OVL]
Pump overload
Pump failure
Thermal relay (FR) current setting
error
Replace the pump
The correct setting of the thermal relay
(FR) current is 1.1 times of the pump
rated current.
[E-04]-[MESO]
Heating media
shortage
Insufficient cooling water inlet
pressure
Detect pressure switch failure
Please provide sufficient water pressure
Replace the pressure switch
[E-05]-[CH1]
Temperature
probe 1 input
temperature is
too high
Contactor fault
Replace contactor
[E-05]-[CH2]
Temperature
probe 2 input
temperature is
too high
Contactor fault
Replace contactor
[E-06]-[SOVT]
Over temp.
alarm
EGO fault
Replace EGO
[E-07]-[CH1]
Temperature
probe 1 below
lower limit
Short running time
controller parameter setting is not
reasonable
Wait for a while
Check the controller parameters and
reset the unreasonable parameters.
Please refer to the common parameter
settings of the controller.
[E-07]-[CH2]
Temperature
probe 2 below
lower limit
Short running time
controller parameter setting is not
reasonable
Wait for a while
Check the controller parameters and
reset the unreasonable parameters.
Please refer to the common parameter
settings of the controller.
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