41
DIAGNOSIS AND SOLUTION (CONT)
High temperature protection of compressor top diagnosis and solution (P2)
Error Code
P2
Malfunction decision conditions
If the sampling voltage is not 5V, the LED displays the failure.
Supposed causes
S
Power supply problems
S
System leakage or block
S
PCB faulty
Troubleshooting
Yes
Tighten the screws and apply
silicon grease.
Replace the outdoor control PCB.
No
Check if the Fastening screws
on the PCB and IPM radiator
are fixed tightly.
For other models,
Содержание 38MHRB series
Страница 7: ...7 DIMENSIONS OUTDOOR CONT Unit inch mm Fig 3 Size 24K...
Страница 11: ...11 WIRING DIAGRAMS COOLING ONLY Fig 7 Wiring Diagram Size Cooling Only Size 12K 115V...
Страница 12: ...12 WIRING DIAGRAMS COOLING ONLY CONTINUED Fig 8 Wiring Diagram Cooling Only Size 12K 230V...
Страница 13: ...13 WIRING DIAGRAMS COOLING ONLY CONTINUED Fig 9 Wiring Diagram Cooling Only Sizes 18 24K...
Страница 14: ...14 WIRING DIAGRAMS HEAT PUMP Fig 10 Wiring Diagram Heat Pump Size 12K 115V...
Страница 15: ...15 WIRING DIAGRAMS HEAT PUMP CONTINUED Fig 11 Wiring Diagram Heat Pump Sizes 09 12 18 230V...
Страница 16: ...16 WIRING DIAGRAMS HEAT PUMP CONTINUED Fig 12 Wiring Diagram Heat Pump Size 24 230V...
Страница 37: ...37 DIAGNOSIS AND SOLUTION CONT Fig 36 P U Fig 37 P V...
Страница 38: ...38 DIAGNOSIS AND SOLUTION CONT Fig 38 P W Fig 39 N U...
Страница 39: ...39 DIAGNOSIS AND SOLUTION CONT Fig 40 N V Fig 41 N W...
Страница 50: ...50 DISASSEMBLY INSTRUCTIONS SIZES 12K 115V CONT 5 4 Remove the fan motor screws 4 then remove the motor...