Compcooler, keep your body cool and comfortable in harsh conditions.
10
Fault Code
Item
Code
Description
1
E1
Wrong Polarity or reverse connection from power input
2
E2
Low voltage protection, less than 11V
3
E3
High voltage protection, more than 18V
4
P1
No liquid temp signal from sensor
Trouble shoot
Item
Problem Description
Root Cause
Trouble Shoot
1
No Cooling Performance
Compressor locked,
Overheat protection,
Low Voltage
Check the compressor drive,
yellow light means normal, red
light means abnormal.
No liquid circulation
Check if cooling garment be
connected, check if pump be
turned on
Power connection
Check if power connection loose
or not.
2
Less cooling capacity
Less heat exchange rate
for evaporator
Check if circulation water inside
reservoir is enough or not?
Lack of refrigerant
Check if hot air out from
condenser air outlet
Low compressor speed
Check compressor speed setting
Low voltage
Check unit input voltage
3
No pumping
Pump ON/OFF
Check if pump be turned on
Quick fitting connection
Check quick fitting connection
loose or not
Pump blocked
Check if pump be blocked
4
Remote controller can’t
operate
Connection loose
Check if the connection loose or
not
Controller LED vague or
twinkle
Check the unit input voltage
5 Temp sensor
No feedback, P1 on the
panel
Check if the connection loose or
not
