Defrost Heater - Viking RDDFF236 Service Manual

Service Diagnostics and procedures–Disassembly
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power to unit using power
switch before servicing. Wires removed during disassembly must be replaced on proper terminals to insure
correct earth ground and polarization. After servicing, reconnect power using power switch.
evaporator Fan (continued)
4. Disconnect wiring and unclip thermostat.
Wiring
Defrost Thermostat
Evaporator Fan
5. Repair or replace fan.
6. Reverse procedure to reinstall.
© 2012 Viking Preferred Service
WARNING
Evaporator Fan
Wiring

Defrost heater

The unit uses a heater to help remove ice buildup
during the defrost cycle. When the defrost terminator
closes, voltage is supplied to the heater via the
control board.
To access defrost heater:
1. Remove freezer drawer, baskets, and glide
adapters see Freezer Drawer, Baskets, Bins
Glides and Glide Adapters section,
pages 39-42).
2. Remove thermistor cover (see Freezer
Thermistor section, page 46).
3. Remove evaporator cover (see Evaporator
Cover section, page 47).
4. Remove securing screws.
Screw
Screw
48