*4): Use silicone grease supplied as an accessory (Service part No. P22760).
N O T E
When the
unit is applied the excessive surge current due to lightning or other causes, this alarm code "53" or
Inverter stoppage code (IT) "11" is indicated and the unit cannot be operated. In this case, check to ensure the
surge absorver (SA) in the noise filter (NF1, NF2). The surge absorver may be damaged if the inner surface in the
SA is black. If so, replace surge absorver.
If the inside of the surge absorver is normal, turn OFF the power supply and wait for LED201 (red) of PCB2 OFF
(approximately 5 minutes) and turn ON power supply again.
Positioning of the surge absorver:
Lot
SP-226-1
250VAC/30A
OKAYA
LFB-14930-3MA
E
SA: Surge absorver.
8 Troubleshooting
224
SMGB0065 rev. 1 - 12/2010
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