Service Diagnosis: Circuit Board - Scotsman MDT5N25 Service Manual

SERVICE DIAGNOSIS: Circuit Board

Explanation of Indicator Light
On at all times when the master switch is ON and machine is
connected to electrical power.
On when ice level is low (unit making ice).
Normal 6 minute off/delay start. To prevent short cycling, the
machine will not restart after any shut off (except power to the
board) until 6 minutes have passed.
On when water level is low in the reservoir.
MDT5N25 & MDT5N40
Position On
Board
May 2001
Page 23
1
2
3
4
Name and Meaning of
Light or Reset
Power,
1
ON = Normal
Bin Empty,
2
ON = Needs Ice
Off Timer,
ON = Unit cycling off
3
No Water,
4
ON = Trouble