OHM ELECTRIC COOL CABI OCA-S2300AC, Instruction Manual, Page: 40 / 44

18
◎
Replacement fan
Applicable COOLCABI
models
Model
Internal fan External fan
OCA-S2300AC-A200 FM-2300ACIN FM-2300ACOUT
OCA-S3000AC-A200 FM-3000ACIN FM-3000ACOUT
6-4 Troubleshooting
Failure Cause Remedy
- Internal
temperature
rises too much
- Cool air is not
blown out
- Display shows
High Temp.
Alarm E1 or
Radiation
Error Alarm E3
a. Circuit breaker tripped
b. Internal temperature is
lower than the setting
temperature.
c. Less cooling capacity against
the set value.
d. Ambient temperature is
too high
e. Internal temperature is
too high.
f. Filter is dirty
g. External fan is not running
h. Internal fan is not running
i. Poor air circulation
a. Turn on the breaker
b. Check the temperature
setting and the internal
temperature.
c. Set a higher value, or change
the cooling unit with a one
of higher capacity.
d. This unit is unusable under
a circumstance where the
ambient temperature may
exceed 50
℃
.
e. This product cannot be
used where temperature
exceeds 45
℃
.
f. Clean the filter.
g. Check temperature
setting and the internal
temperature. In case of
fan failure, replace the fan.
h. To check whether the fan
works properly, execute
forcible cooling
(See 4-4 of page 9).
If it did not run, fan
replacement is necessary.
i. Remove the problem
referring to the page 3.
- Fall in internal
temperature is too
much
a. Setting temp. is too low
b. Failure in the internal circuit
or the temperature sensor
a. Change the setting.
b. Contact the supplier.
-Drainage error
occurred.
(Display shows E6)
Drainage is stagnant. Check the drain hose
for clogging or bending.
- Too much
condensation
Control panel is not
airtight enough
Seal gaps to
improve airtightness
- Display shows E5 Built-in temperature
sensor breakage
Contact the supplier.
- Display shows E7 Internal fan is not running Replace the fan.
- Display shows E8 Heat exchanger temperature
sensor failure.
Contact the supplier.
- Display shows SE Memory breakage Contact the supplier.
- Display shows tE Contact the supplier.
Note: In case any problem is found during operation, turn off the power and stop using the
product and contact your supplier providing information including the model and the
purchasing date of your unit.