27
Check item/Remedy
• The fan is not functioning because of the malfunction.
Refer to the dealer.
Troubleshooting
Check the following before requesting repair.
Contact a dealer if a problem cannot be solved even after checking and trying the solution or if a problem is not described
below, or when having a problem with installations.
• Check if the power plug is properly connected to the AC
outlet.
• Check if the power cord is properly inserted into the power
socket of the unit.
• Check if alarm input signals are properly input to the
ALARM or ALARM/CONTROL connector on the rear
panel.
• Check the settings of the ALARM connector.
Cannot turn on the power.
Alarm operations are not acti-
vated.
Page
Problem
–
21
–
21, 22
The error indicator blinks
orange.
The unit stops because of the
thermal error.
6
• Isn't the fan on the rear panel or the ventilation slots on
the front side of the unit blocked?
6
• Temperature inside the unit is too high/low. Use the unit at
appropriate ambient temperatures.
6
• When the error indicator lights orange, temperature inside
the unit may be too high. Check whether dust is collected
around the fan/ventilations or not.
6
