ESIE05-03
Error Codes: Outdoor Units
Part 3 – Troubleshooting
3–67
3
3
4
5
1
3.7
Malfunction of Outdoor Unit Fan Motor (
E7
)
Remote Controller
Display
E7
Method of
Malfunction
Detection
Abnormality of fan motor system is detected according to the fan speed detected by hall IC when the
fan motor runs.
Malfunction
Decision
Conditions
P
When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor
running conditions are met
P
When connector detecting fan speed is disconnected
P
When malfunction is generated 4 times, the system shuts down.
Supposed Causes
P
Malfunction of fan motor
P
The harness connector between fan motor and PC board is left in disconnected, or faulty connector
P
Fan does not run due to foreign matters tangled
P
Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
YES
NO
Are fan motor
connectors
disconnected?
NO
YES
Check on connector
of fan motor
(power supply cable)
YES
NO
Is there
any foreign matter
around the fan?
NO
YES
Can
the fan be turned
smoothly with hand after
disconnecting the
fan motor
connector?
Check for pulse input for
number of rotations on the
outdoor unit
PC Board.
Connect the connector.
Remove the foreign matter.
Replace the outdoor unit fan motor.
Replace the outdoor unit fan motor.
Replace the outdoor unit PC board.
Check 5.9.2
Check 5.9.3
ESIE05-03.book Page 67 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...