Mark HCNI 533, Техническое руководство

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65
EN
8.5.8 F0 / PC 08 (Overload current protection diagnosis and solution)
Description: An abnormal current rise is detected by checking the specified current detection circuit.
Recommended parts to check or to prepare:
• Outdoor PCB
• Connection wires
• Compressor
Troubleshooting and repair:
Note:
For certain models, outdoor PCB could not be removed separately. In this case, the outdoor
electric control box should be replaced as a whole.
“Wall” Type Active Line R32 Refrigerant AC: 6. Troubleshooting
[6]-27
Troubleshooting and repair:
YES
NO
YES
NO
YES
NO
YES
YES
NO
6.7.8 F0 / PC 08 (Overload current protection diagnosis and solution)
Description
: An abnormal current rise is detected by checking the specified current detection circuit.
Recommended parts to check or to prepare:
• Outdoor PCB
• Connection wires
• Compressor
Check the power supply.
Is it in working order? Stop the unit.
Check system for blockages.
Do any exist? Clear the blockage.
Check the compressor resistance values.
Replace the compressor.
Are they
within acceptabl e
parameters?
Check the connections and wires.
Are they properly connected?
Ensure proper connections
or replace the wires.
Check the reactor.
Replace outdoor PCB.
Is it in working order?
Replace the outdoor unit.
Note:
For certain models, outdoor PCB could not be removed separately. In this case, the outdoor electric control
box should be replaced as a whole.
NO