Cooper & Hunter HB16NK, Руководство пользователя

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Hydro Box of C
H
V5 Home Installation and Operation Manual
28
5 Common Malfunction and Troubleshooting
5.1 Error Code of Hydro Box
Error code Content Error code Content
L4
Power supply overcurrent
protection
JC
Water flow switch
protection
L5 Antifreezing protection dd
Malfunction of solar power
temperature sensor
LJ
Function DIP switch setting
error
dH
PCB board of wired
controller is abnormal
L8 Insufficient power supply dF
Malfunction of upper
water temperature sensor
inside the water tank
LL Waterflow switch error dJ
Malfunction of backwater
temperature sensor
LE
EC DC pump rotation
speed error
dP
Malfunction of hydro box
water inlet pipe
temperature sensor
LF Shunt valve setting error dU
Malfunction of hydro box
water outlet pipe
temperature sensor
d2
Water tank lower water
temperature sensor error
dC
Setting of capacity DIP
switch is abnormal
Note:
When the outdoor unit is incurred to fault, the wired controller of hydro box will not display the
fault. When hydro box is incurred to fault, the wired controller of multi-split indoor unit will not
display the fault. When the outdoor unit is incurred to fault, you may run the hot water generation
temporally (Ensure that the hot water generation is started when there is water inside the water
tank).
5.2 Troubleshooting
Malfunction
phenomenon
Possible causes Solution
No effluent water
The water is
stopped or the water
pressure is too low
Check
The water pipe is
blocked
The valve of water
inlet pipe is not open
The outlet is cold
water, or the water
is not hot enough
The water
temperature setting
is too low
Reset
The wired controller
is failed
Contact with the local maintenance center
The heating time is
too short
Continue to heat
The outlet water
volume changes
The tap water
pressure is unstable
Check
Antifreeze
Risk of freezing, as
the water
temperature is too
low
Maintain the energized or heating state
for 30 minutes or longer to eliminate the
freezing