Wire Connection; Troubleshooting - RIDGID MT-HS23P User Manual

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5. Wire Connection

6. Troubleshooting

Fault diagnosis
A/C fail to work
Compressor fail to start
Poor Refrigeration
About temperature
display
7. Fault Signal Light Instruction
Light flashed Once：Under voltage or over voltage
Twice： High&low voltage protection
Third： Fail to start or cannot control compressor
Fifth： Controller temperature is too high
Sixth：The unit current is too high, exceed protection value.
Seventh：Compressor is overloading or broken
1. Check Switch if well-connected?
2. Battery power capacity?
3. Earth leakage protection?
1. Battery power capacity?
2. Compressor protection?
1. filter screen blocking?
2. Air Inlet & outlet pipe blocking?
3. Sun shining directly into the car?
4. Is the wind horizontal or upward?
Because of the temperature difference in the car, as well as different air speed, there
will be the difference data between the display and detected by users
Troubleshooting