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8. MAINTENANCE AND REPAIRS
Code
Malfunction or protection
Temperature sensor failure
JE
DSP and communication board
JF
communication fault
Abnormal communication with
JJ
main PCB
IPM module overheating
JP
shutdown
Compressor model failure
JU
PFC hardware overcurrent
Jr
Driver EE failure
Jy
Other problem
✓
The spa filtration pump is running continuously.
»
Check the filtration time setting on the spa control box and adjust if necessary.
Tip: Minimum filtration time for an indoor spa is 5 hours, for an outdoor spa 8 hours.
»
However, if you wish to reduce this circulation time, adjust the temperature on the spa
control box to the same set temperature as on the heat pump.
86 | EN
Troubleshooting
1. Check input power supply,wiring.
2. Check input voltage.
3. Check and replace.
4. Check whether the working load of the unit is out of range.
5. Check whether there are foreign bodies in the inlet and outlet
of the unit.
6. Check whether the system is blocked
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