Circulating Air Source Heat Pump Water Heater
25
(
3
)
Drain water in winter:
Caution: In order to drain the residual water in evaporator and condenser, the water drain valve
of water system should be kept at on status!
8 Error code
Error code for the controller of water heater
Error code
Malfunction causes
Unit status
Reset method
F3
Malfunction of outdoor ambient temperature
sensor
OFF
Auto
F4
Malfunction of discharge temperature
sensor
OFF
Auto
F5
Malfunction for outdoor inlet tube
temperature sensor
OFF
Auto
F7
Malfunction of outdoor outlet tube
temperature sensor
OFF
Auto
F8
Malfunction of water inlet temperature
sensor
Floor heating mode: OFF
Hot water mode: /
Auto
F9
Malfunction of water outlet temperature
sensor
Floor heating mode: OFF
Hot water mode: /
Auto
E1
High pressure protection
OFF
Auto
E3
Low pressure protection
OFF
Auto
E4
Discharge high temperature sensor
protection
OFF
Auto
E5
Overload protection for compressor
OFF
Auto
E6
Communication malfunction
OFF
Auto
E0
Overload protection of water pump
OFF
Auto
EF
Overload protection of outdoor fan
OFF
Auto
Ec
Water flow switch protection
OFF
Auto
L2
Malfunction of water flow switch of water
tank
OFF
Auto
d2
Auto freeze prevention protection in winter
ON
Auto
Ed
Overheating protection for water outlet
OFF
Auto
L5
Malfunction of water tank temperature
sensor
OFF
Auto
n6
Communication malfunction for drive board
of spray electronic expansion valve
OFF
Auto
Содержание CH-HP20CMFNM
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