MovinCool Classic 10 Service Manual - Manual (Page 35)

Repair Section 35
8. TROUBLESHOOTING
8.1 Troubleshooting
(1) Inspection Voltage of the Power Source
• Check the voltage of the power source.
- Single Phase 115V ( 60 Hz)
• Before troubleshooting the system, the following inspection should be performed.
WARNING
Disconnect power supply from the unit before performing any service. Beware that some
residual voltage may remain in the unit immediately after the power is disconnected.
• Check the operation and condition of the fuse or circuit breaker in the power source.
(2) Inspection of Air Filters
• Remove the air filters and check the element, if the element is dirty, wash the element as
described in the OPERATION MANUAL supplied with the unit.
8.2 Self-Diagnostic Codes
• Self-diagnostic codes are displayed on the control board under the following conditions.
Indication Condition
Output
Signal
Buzzer
(On Board)
No. 1
No. 2
When the fire alarm control panel input signal is
CLOSED, the unit turns off, the LED displays
“AL”, and the buzzer turns on.
This condition returns to normal when the input
signal is once again OPEN, and unit has been
RESET.
Yes Yes
To RESET, hold down the SET TEMP buttons
( / ) simultaneously for 3 seconds, and the
controller returns to normal status.
When the drain tank switch is activated, the LED
displays “FL” and the unit turns off automatically.
Once emptying the drain tank procedure is
completed and ON/OFF has been pushed, unit
returns to normal operation.
Yes No