Power World PHP09Hs-W - Troubleshooting; 8.1 Error Code Display on LED Wire Controller

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1（Heating/Cooling）/
2（Single heating）
P14
Electronic expansion valve action cycle
20s～90s
30s
Adjustable
P15
Degree of super heat setting
-9℃～9℃
3℃
Adjustable
P16
expansion valve forced opening gas
exhaust temperature
80℃～110℃
100℃
Adjustable
P17
Electronic expansion valve opening
setting (under defrosting)
20～450P
400P
3 digits visible
P18
Electronic expansion valve minx.
Opening setting
50～200P
150P
3 digits visible
P19
Electronic expansion valve manual
setting
20～450P
350P
Adjustable
P20
Electronic expansion valve manual
setting option
0 (No) /1(Yes)
1
0:manual/1：
automatical
P22
expansion valve forced opening gas
exhaust temperature
80℃～110℃
100℃
Adjustable
A0
Water inlet temperature
-9~99℃
Actual
measurement
A1
Water outlet temperature
-9~99℃
Actual
measurement
A2
Evaporator coil temperature (under
heating mode)
-9~99℃
Actual
measurement
A3
Gas exhaust temperature
-9~99℃
Actual
measurement
A4
Ambient temperature
-9~99℃
Actual
measurement
A5
Gas suction temperature
-9~99℃
Actual
measurement
A6
Expansion valve opening
150~480P
Actual
measurement
8. Troubleshooting
8.1 Error code display on LED wire controller
Malfunction
Error code
Solutions
Heating condenser sensor failure
Er P1
Check or change the sensor
Exhaust temperature sensor failure
Er P2
Check or change the sensor
Inlet water temperature sensor failure
Er P3
Check or change the sensor
Outlet water temperature sensor failure
Er P4
Check or change the sensor
Ambient temperature sensor failure
Er P7
Check or change the sensor
Gas return sensor failure
Er P8
Check or change the sensor
Low pressure protection
Er P9
1.Check if there is any gas leakage ,re-fill the
refrigerant
2.Replace the filter or capillary