![background image](http://html1.mh-extra.com/html/daikin/rzq100b7w1b/rzq100b7w1b_service-manual_2460009238.webp)
Error Codes: Outdoor Units
ESIE05-03
3–90
Part 3 – Troubleshooting
3
1
3
4
5
3.20
Malfunction of Radiator Fin Temperature Thermistor (
P4
)
Remote Controller
Display
P4
Method of
Malfunction
Detection
Detection by open or short circuit of the radiator fin temperature thermistor during the compressor
stops operating.
Malfunction
Decision
Conditions
When open or short circuit of the radiator fin temperature thermistor is detected during the compressor
stops operating
Supposed Causes
P
Faulty radiator fin temperature thermistor
P
Faulty outdoor unit PC board
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Disconnect the connector
from (
∗)
on inverter PC
board, then check the
thermistor resistance at the
ordinary temperature.
(RZQ71 only)
Normal?
(Note)
Check LED on the
outdoor unit PC board.
Reset
Does the radiator
fin temperature thermistor
malfunction?
Is reset possible?
(
∗)
Connector number :
RZQ71 : X207A
RZQ100 ~ 140 : X111A
YES
NO
YES
NO
NO
YES
Probe other factors than the malfunction.
Replace the thermistor.
Replace the inverter PC board.
∗
Continuous operation can be continued.
* See page 3-107 and page 3-108 for “Thermistor temperature/Resistance characteristics”.”
ESIE05-03.book Page 90 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...