SiUS091601EA
Check
Part 6 Service Diagnosis
188
Caution
Diagnose method (Diagnose according to 6 LEDs lighting status.)
1. If all the LEDs are lit uniformly, the compressor is defective.
Replace the compressor.
2. If the LEDs are not lit uniformly, check the power module.
Refer to
Check No.22
.
3. If NG in
Check No.22
, replace the power module.
(Replace the main PCB. The power module (IPM1) is united with the main PCB.)
If OK in
Check No.22
, check if there is any solder cracking on the PCB.
4. If any solder cracking is found, replace the PCB or repair the soldered section.
If there is no solder cracking, replace the PCB.
1. When the output frequency is low, the LEDs blink slowly. As the output frequency increases, the
LEDs blink quicker. (The LEDs look like they are lit.)
2. On completion of the inverter analyzer diagnosis, be sure to re-crimp the FASTON terminals.
Otherwise, the terminals may be burned due to loosening.
FDMQ series with Wired Remote Controller (BRC1E73)
1. Turn the power on.
2. Set FAN operation using the remote controller.
3. Press and hold
Cancel
button for 4 seconds or
longer.
• Test operation will stop automatically after
about 30 minutes.
To stop the operation, press
On/Off
button.
4. Select
Test Operation
in the service settings
menu, then press
Menu/OK
button.
Basic screen returns and “Test Operation”
is displayed at the bottom.
5. Press
On/Off
button within 10 seconds.
3 minutes after pressing
On/Off
button,
power transistor test operation will start.
FDMQ series with Wireless Remote Controller (BRC082A43)
1. Turn the power on.
3. Press twice. “TEST” is displayed.
2. Press and select FAN operation.
• Test operation will stop automatically after about 30 minutes.
To stop the operation, press .
4. Press within 10 seconds.
3 minutes after pressing , power transistor test operation will start.
Basic screen
2.
3.
Fan
4.
Setting
1/3
Service Settings
Test Operation
Maintenance Contact
Field Settings
Energy Saving Options
Prohibit Function
Min Setpoints Differential
Press
Menu/OK
button.
5.
Fan
Test Operation
Service Settings
menu screen
Press and hold
Cancel
button for 4 seconds or
longer during backlight lit.
Press
On/Off
button
(within 10 seconds).
(R15292)
Direction of crimp
FASTON terminal
This size is shortened
by the crimp.
Summary of Contents for FTX-N Series
Page 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...
Page 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...
Page 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...
Page 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...
Page 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...
