Toshiba RAS-2M21U2ACVG-SG Service Manual page 74

Check Outdoor
code LED display
* *

[1E]   * 
*

*  
[1F]
:ON ( *:3 sec ON / 0.5 sec OFF) :OFF
(Item without special mention indicates part of outdoor unit.)
[Discharge temp. error]
Is there gas leak?
Is there refrigerant shortage?
NO
Is PMV under correct conditions?
YES
Does an abnormal overload happen?
NO
Is connection of CN600 on P.C.B. MCC-1665?
Is resistance value of TD sensor correct?
YES
[Compressor break down]
Is AC mains voltage correct?
(198 to 264V)
YES
Is wire connection correct?
Compressor lead
(Board side, Compressor Side),
Reactor lead, Power supply lead.
YES
Does an abnormal overload happen?
NO
- 74 -
Check and troubleshooting
YES
NO
YES
NO
NO
NO
YES
Check outdoor P.C.B MCC-1645.
Repair defective position.
Recharge refrigerant.
Repair defective position.
Replace defective part.
Remove and improve
the cause of overload.
Correct connector.
Sensor error → Replace.
Check outdoor P.C.B MCC-1665.
Defect → Replace.
Check wiring construction.
Ask repair of power supply.
Check wire connection
and correct it.
Remove and improve
the cause of overload.
Defect → Replace.