ESIE05-03
Error Codes: Outdoor Units
Part 3 – Troubleshooting
3–89
3
3
4
5
1
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Check
LED on the
outdoor unit PC board
(Open phase?)
Open phase
of power supply voltage?
Is the voltage
imbalance between phases
large?
Inspect the main
circuit wiring.
Service
life of capacitor
(Has the capacitor been
used for a long
time?)
Faulty
diode module
(open, disconnected)
Other factors than open phase
Field factors
Field factors
Replace the MS.
Correct the wiring.
Replace the electrolytic
capacitor.
Replace the power unit.
Faulty outdoor unit PC
board
(Note)
Check for faulty contact,
disconnection, K11R, K12R
deposited or fused between
power supply and inverter.
(Note)
Target : ±10V between phases,
R-S, S-T, T-R
NO
YES
YES
NO
YES
NO
NO
YES
YES
NO
YES
NO
ESIE05-03.book Page 89 Wednesday, April 6, 2005 4:09 PM
Summary of Contents for RZQ100B7W1B
Page 1: ...Service Manual ESIE05 03 RZQ71 125B8V3B RZQ100 140B7W1B Sky Air Inverter R 410A B series...
Page 2: ......
Page 10: ...ESIE05 03 viii Table of Contents 3 1 4 5...
Page 24: ...ESIE05 03 1 2 Part 1 System Outline 3 1 1 5...
Page 32: ...General Outline Outdoor Units ESIE05 03 1 10 Part 1 System Outline 3 1 1 4 5...
Page 42: ...Specifications ESIE05 03 1 20 Part 1 System Outline 3 1 1 4 5...
Page 56: ...Functional Diagrams ESIE05 03 1 34 Part 1 System Outline 3 1 1 4 5...
Page 58: ...ESIE05 03 1 36 Part 1 System Outline...
Page 70: ...Wiring Diagrams ESIE05 03 1 48 Part 1 System Outline 3 1 1 4 5...
Page 84: ...PCB Layout ESIE05 03 1 62 Part 1 System Outline 3 1 1 4 5...
Page 86: ...ESIE05 03 2 2 Part 2 Functional Description 3 1 2 5...
Page 110: ...General Functionality ESIE05 03 2 26 Part 2 Functional Description 3 1 2 4 5...
Page 150: ...ESIE05 03 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 188: ...Troubleshooting ESIE05 03 3 40 Part 3 Troubleshooting 3 1 3 4 5...
Page 264: ...Additional Checks for Troubleshooting ESIE05 03 3 116 Part 3 Troubleshooting 3 1 3 4 5...
Page 266: ...ESIE05 03 4 2 Part 4 Commissioning and Test Run 3 1 4 5...
Page 306: ...ESIE05 03 5 2 Part 5 Disassembly and Maintenance 3 1 5...