![background image](http://html1.mh-extra.com/html/daikin/rzq100b7w1b/rzq100b7w1b_service-manual_2460009182.webp)
Troubleshooting
ESIE05-03
3–34
Part 3 – Troubleshooting
3
1
3
4
5
1.8.2
Troubleshooting by LED on outdoor unit PCB
The following diagnosis can be conducted by turning on the power switch and checking the LED
indication on the printed circuit board of the outdoor unit.
w
: LED on /
x
: LED off /
c
: LED blinks / — : Not used for diagnosis
Notes:
1
Turn off the power switch, and turn it on again after 5 seconds or more. Check the error condition,
and diagnose the problem.
2
Turn off the power switch. After 5 seconds or more, disconnect the connection wire (2). Then turn
on the power switch. If the HAP on the outdoor unit PCB flashes after about 10 seconds, the indoor
unit PCB is faulty.
3
Also check for open phase.
Remark:
The error detection monitor continues to indication the previously generated error until the power
switch is turned off.
Be sure to turn off the power switch after inspection.
LED detection
Description
HAP
H1P
(Green)
(Red)
c
x
Normal
w
—
Faulty outdoor unit PCB (Note 1)
x
—
Power supply abnormality, or faulty outdoor unit
PCB (Note 2)
c
w
Activation of protection device (Note 3)
ESIE05-03.book Page 34 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...