ESIE05-03
Troubleshooting
Part 3 – Troubleshooting
3–13
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.
After vacuum drying, charge
correct amount of refrigerant.
Then, start operation again.
Malfunction of compressor
Power
supply voltage is
within ±10 % of specified
voltage.
Is the
size of power cable
through total length
correct?
Is
there any
temperature difference
between inlet and outlet of
expansion valve?
Is there
any temperature
difference between suction
side and discharge side
of four-way
valve?
Turn the operation switch ON
and OFF, then wait at ON side.
Check on the cause why
overcurrent relay (for
compressor) or compressor
protection thermostat acted.
Does
the unit start operation
after 3 minutes?
Is the
discharge side of
compressor hot after unit
stop?
Normal. Unit is in 3-min
standby mode
Contact power company
Check compressor
Replace power cable
Expansion valve
malfunction
Four-way valve malfunction
Check compressor
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
[Electric system]
[Refrigerant circuit]
Not so hot
NO
ESIE05-03.book Page 13 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...