Samsung AQB09JJWC Service Manual page 54

11-2-5 Total current Trip error
1. Checklist :
1) Is the input power voltage proper?
2) Is the refrigerant charged properly?
3) Does the compressor rotate normally? (Reverse rotation, Locking etc.)
4) Dose the outdoor fan operate normally? (Fan propeller loss, Motor error etc.)
5) Is the installation condition of outdoor unit good? (Piping, Space etc.)
6) Is there no ventilation obstruction at the surrounding of outdoor? (Outdoor unit cover, Fan front obstruction etc.)
2. Troubleshooting procedure
Is the installation of outdoor unit good?
Dose the compressor rotate normally?
Is the assembly of R418, R413, IC41, C437
and the peripheral part good?
Pull out the power cord and exchange
the PCB from the case after 30 seconds.
Check again after assembly of PCB.
Samsung Electronics
141 Kinderkamack Rd, Park Ridge, NJ 07656 Tel: 201-782-1782 Fax: 201-782-1783 Web: www.amgair.com Email: info@amgair.com
Yes
Yes
Yes
Is the assembly of Micom and
peripheral circuit part good?
Yes
No
Reinstall and remove the obstruction.
No
No
No
Air Marketing Group LLC
Exchange the compressor.
Exchange the PCB.
Exchange the PCB.
Troubleshooting
11-6