NAG/IM/MTC1200/01/22
29
S.
No. Problem
Possible Cause Solution
1.
No light in
display
Power not
available to
the Unit.
Check the power
supply to the Unit.
Power switch
not ON
Ensure the power
switch ON.
Ensure 5V to the
display.
Fuse Open.
Check the fuse, if
defective, replace the
fuse of same rating.
2.
Read value
shows “OVLD”
Over load
Check the load on the
unit.
Sensor Open.
Contact Customer
Service.
3.
Fan not working
No Supply to
Fan
Check the fan power
supply voltage.
Fan defect
Replace the fan
4.
Equipment not
cooling enough
Peltier defect
Contact Customer
Service.
5.
Display shows
“EEPROM error” RAM Problem
Contact Customer
Service.
