Trouble Diagnosis - Panasonic U-4LE1R8 Service Manual
Mini vrf system, r410a
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Also See for U-4LE1R8:
- Installation instructions manual (136 pages) ,
- Operating instructions manual (68 pages)
Table of Contents
Mini VRF SYSTEM
Trouble Diagnosis
Contents
3. Trouble Diagnosis
1. Contents of Remote Controller Switch Alarm Display..................................................... 3-2
2. Outdoor Unit Control PCB LED Display ............................................................................ 3-4
3. Mini VRF System Alarm Codes .......................................................................................... 3-5
4. Inspection of Parts (Outdoor Unit) .................................................................................. 3-51
5. Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently ............. 3-52
3
3-1
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