[C] Before Checking Controller Board - Hoshizaki DIM-40DE-HC Service Manual

[c] BEFORE CHECKING CONTROLLER BOARD

Check the power source voltage and the components as shown in the table below.
Component
1. Thermistor
(on evaporator)
Holder
Evaporator
Thermistor
2. Bin Control Switch
Thermistor sensor part is fragile,
glass sealed. Handle with care.
Screw
* Disconnect the connector CN13 on the
board.
* Remove the screw and the thermistor
holder on the evaporator.
* Immerse the sensor part in a glass
containing ice and water for 5 minutes.
* Check the resistance between CN13
connector pins.
* Replace the thermistor in its correct
position.
* Connect CN13.
Manually set the micro switch in the
TRIP and RESET positions and check
the period.
Procedure
NOTICE
6
Normal
5 -7 kilohms
Approx.
TRIP (Closed) 10 sec.
RESET (Open) 80 sec.