Error Diagnosis And Troubleshooting Without Error Code; Remote Maintenance - Pioneer QUANTUM INVERTER Series Service & Troubleshooting Manual

5. Error Diagnosis and Troubleshooting Without Error Code

WARNING
Be sure to turn off unit before any maintenance to prevent damage or injury.
5.1

Remote maintenance

SUGGESTION: When troubles occur, please check the following points with customers prior to field maintenance.
No. Problem
1 Unit will not start
2 The power switch is on but fans will not start
3 The temperature on the display board cannot be set
4 Unit is on but the wind is not cold(hot)
5 Unit runs, but shortly stops
6 The unit starts up and stops frequently
7 Unit runs continuously but insufficient cooling/heating
8 Cool can not change to heat
9 Unit is noisy
Troubleshooting

12

Solution
TS14 - TS15
TS14 - TS15
TS14 - TS15
TS14 - TS15
TS14 - TS15
TS14 - TS15
TS14 - TS15
TS14 - TS15
TS14 - TS15