Operating instructions

O&C MANUAL • DRAWER WARMER
PG. 19
SERVICE PARTS LIST - MARINE 230V
500-1D, -2D, -3D ELECTRONIC CONTROL
UNIT ALTO-SHAAM
PART DESCRIPTION QUANTITY PART NUMBER
4/06
Cable Replacement Kit (CB-3044) . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . . . . . .4874
Beeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . . .BP-3567
Block, Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . .BK-33546
Board, Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . .BA-33554
Control, Electronic . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . . . .5000876
Panel Overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . . .PE-25327
Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . .RL-33558
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . .SN-33541
Thermostat, Electronic, 230V ONLY . . . . . . . . . . . . . . . . .1 . . . . . . . . . . . . . . . . . . .TT-33789
SERVICE - ELECTRONIC CONTROL
TROUBLE POSSIBLE CAUSE REMEDY
Unit does not operate. Insufficient power supply. Check power source.
Defective power cord or plug. Check and replace if necessary.
No display in electronic control. Faulty power supply board. Check line voltage for 24V across
pins 7 and 8 on the power supply board
and across terminals J9 and J10 on the
electronic control.
Faulty electronic control. Replace control.
Cannot control temperature but Faulty relay Replace relay.
sensor and electronic control
checks O.K. Heating element grounded. Replace element.
Temperature readout incorrect. Dirty or faulty sensor. Check sensor at 32°F (0°C).
If Ohm reading is 100,
Faulty control. replace display.
If Ohm reading is not 100,
replace sensor.
TROUBLE SHOOTING CHECKLIST • ELECTRONIC CONTROL
Repairs should be made by authorized service agents only.
ELECTRICAL CONNECTIONS MUST
BE MADE BY A QUALIFIED SERVICE
TECHNICIAN IN ACCORDANCE WITH
APPLICABLE ELECTRICAL CODES.