MV-1238-1239-5-2018 . © All rights reserved Swim & Fun Scandinavia ApS
107
UK
IPM module temperature sensing
circuit output fault
EE14
The IPM module temper-
ature sensor output is ab-
normal
Check the PC board or replace it
with a new one
The IPM module temperature
protection is too high
EE15
Check the PC board or replace it
with a new one
PFC module protection
EE16
Check the PC board or replace it
with a new one
DC fan fault
EE17
Check the PC board or replace it
with a new one
PFC module temperature sensor
internal circuit fault
EE18
Check the PC board or replace it
with a new one
The PFC module temperature
protection is too high
EE19
Check the PC board or replace it
with a new one
Input power fault
EE20
The supply voltage fluctu
-
ates too much
Check the PC board or replace it
with a new one
Software error check
EE21
The compressor runs out
of step
Check the PC board or replace it
with a new one
Power meter circuit fault
EE22
The amplifier’s output volt
-
age signal is abnormal
Check the PC board or replace it
with a new one
Compressor start fault
EE23
Check the PC board or replace it
with a new one
Driving board ambient tempera-
ture bulb fault
EE24
Compressor phase fault
EE25
1. Wiring fault
Monitoring the controller
2. Connection of 1 phase or
2 phases.
4-way valve fault
EE26
1. the 4-way valve failure
2. Insufficient gas
Stop the unit and check the cooling
system.
Contact plate fault
EE27
Stop the unit. Check the PC board
Communication between the con-
tact plate and PC board
EE28
Stop the unit. Check the PC board
Malfunctions and solutions (not shown on the LED display)
Malfunctions
Observation
Reasons
Solution
The pump is not
running
LED wire controller
No display
No power supply con-
nected
Check cable and the circuit breaker if it is
connected
The LED wire controller
shows the actual time.
The heat pump is set to
standby
Start the heat pump
The LED wire controller
shows the actual water
temperature.
1. The water tempera-
ture is about to reach
the set value, HP during
constant temperature
status.
2. The heat pump starts
to run.
3. During defrosting.
1. Check the water temperature setting.
2. Start the heat pump after a few minutes.
3. The LED wire controller should display
"Defrosting".
