Section 6: Trouble Diagnosis - Panasonic U-8ME1E81 Service Manual

2way vrf system
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Contents
Contents
1. Contents of Remote Controller Switch Alarm Display . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
2. Outdoor Unit Control Panel LED Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
3. Remote Controller Servicing Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
4. 2WAY Alarm Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
5. Blinking Inspection Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29
6. Inspection and Characteristics of Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-31
7. Test Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33
8. Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently . . . . . . 6-34
6. TROUBLE DIAGNOSIS
6. TROUBLE DIAGNOSIS
6 - 1
2WAY SYSTEM
2WAY SYSTEM
Trouble Diagnosis
Trouble Diagnosis
6

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