NITO PCN-F1, Instruction Manual

Page: 43 / 48

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Replacement fan
Applicable Compressor
Cooler models
Number of internal fan Number of external fan
PCN-30-2
1 1
PCN-60-2
1 1
PCN-100-2
2 2
PCN-160-2
2 3
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.
Because the breaker tripped,
power is not supplied to the cooler.
ａ.
Turn on the breaker
ｂ.
Internal temperature is lower than
the setting temperature.
ｂ.
Check the temperature setting and the
internal temperature.
ｃ.
Less cooling capacity against the
set value.
ｃ.
Set a higher value,or change the cooling
unit with a one of higher capacity.
ｄ.
Ambient temperature is too high
ｄ.
This unit is unusable under a circumstance
where the ambient temperature may
exceed 50
℃
.
ｅ.
Internal temperature is too high.
ｅ.
This product cannot be used where
temperature exceeds 45
℃
.
ｆ.
Filter is dirty
ｆ.
Clean the filter
ｇ.
External fan is not running
ｇ.
Check temperature setting and the
internal temperature.
In case of fan failure, replace the fan
ｈ.
Internal fan is not running
ｈ.
To check whether the fan works properly,
execute forcible cooling(See 4-4 of page 35).
If it did not run, fan replacement is
necessary.
ｉ.
Poor air circulation
ｉ.
Remove the problem referring to page 27.
・
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 our Technical Support Department.
・
Too much condensation Enclosure is not airtight enough Seal gaps to improve airtightness.
・
Display shows E5
Built-in temperature sensor breakage Contact our Technical Support Department.
・
Display shows E8
－
Contact our Technical Support Department.
・
Display shows SE
Memory breakage Contact our Technical Support Department.
Note: In case any problem is found during operation, turn off the power and stop using the product and contact our
Technical Support Department providing information including the model and the purchasing date of your unit.