Manualshelf

Troubleshooting Guide

ManualsBrandsMRCOOL ManualsDIY Mini SplitsDIY 36000BTU 3-Ton 4-Zone Ductless MiniSplit A/C&Heat Pump 230V/60 Hz W/1 ft./16 ft., 25 ft., 35 ft., 75 ft. Line Set
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Troubleshooting 18
6. Error Diagnosis and Troubleshooting Without Error Code
WARNING
Be sure to turn off unit before any maintenance to prevent damage or injury.
6.1 Remote maintenance
SUGGESTION: When troubles occur, please check the following points with customers before field maintenance.
No. Problem Solution
1 Unit will not start Page 20~21
2 The power switch is on but fans will not start Page 20~21
3 The temperature on the display board cannot be set Page 20~21
4 Unit is on but the wind is not cold(hot) Page 20~21
5 Unit runs, but shortly stops Page 20~21
6 The unit starts up and stops frequently Page 20~21
7 Unit runs continuously but insufficient cooling(heating) Page 20~21
8 Cool can not change to heat Page 20~21
9 Unit is noisy Page 20~21