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ESIE05-03
Error Codes: Outdoor Units
Part 3 – Troubleshooting
3–59
3
3
4
5
1
3.3
Abnormal High Pressure (Detected by the HPS) (
E3
)
Remote Controller
Display
E3
Method of
Malfunction
Detection
The protection device circuit checks continuity in the high pressure switch.
Malfunction
Decision
Conditions
When the high pressure switch is actuated
Actuating pressure:
RZQ71~140
Supposed Causes
P
Faulty high pressure switch
P
Disconnection in high pressure switch harness
P
Faulty connection of high pressure switch connector
P
Clogged indoor unit suction filter (in heating operation)
P
Dirty outdoor unit heat exchanger
P
Faulty outdoor unit fan
P
Refrigerant overcharge
P
Stop valve is left in closed.
HPS settings
The table below contains the preset HPS values.
High pressure switch
Fuse
Open
Close
RZQ71
4.0 Mpa +0/-0.15
3.0 +/-0.15
6.3A/250V
RZQ100
RZQ125
RZQ140
ESIE05-03.book Page 59 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...