Troubleshooting
Start
Measure voltage at the Test 10 position as shown in the diagram with a voltmeter
Value jumping
Y
Measure voltage at the Test 15 position as shown in the diagram with a voltmeter
Y
Value jumping
Y
Measure voltage at the Test 11 position as shown in the diagram with a voltmeter
Value jumping
Y
Measure voltage at the Test 12 position as shown in the diagram with a voltmeter
Value jumping
Y
The communication circuit of the outdoor unit is normal
N
N
Fault with |
| End |
outdoor unit |
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N
N
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