Viking Designer DEDO530T, Service Manual

Page: 43 / 73

Diagnostics
© 2008 Viking Preferred Service
43
Component testing
Component VOLTS OHMS AMPS Test Location
Convection Element (Upper -Single) 240 VAC 20.8 Ohms 11.5 amps K17 yellow -Line break relay – P7 white w/red tracer
Outer Broil Element (Upper -Single) 240 VAC 40.0 Ohms 6.0 amps K17 yellow -Line break relay – P6 Gray wire
Inner Broil Element (Upper - Single) 240 VAC 22.6 Ohms 10.6 amps K17 yellow -Line break relay – P6 Violet wire
Outer Bake Element (Upper - Single) 240 VAC 38.4 Ohms 6.25 amps K17 yellow -Line break relay – P9 Blue wire
Inner Bake Element (Upper) 240 VAC 38.4 Ohms 6.25 K17 yellow -Line break relay – P9 Orange wire
RTD (Upper) 5 VDC 1100 Ohms @ 75°F N/A Black / Yellow wire - PU 3 - Main Control Board
Convection Motor (Upper - Single) 240 VAC 100 Ohms x 2 .8 amps Black L2- Main terminal block - P3 Blue - P4 Gray, L2
Blower Motor(Upper) 120 VAC 19.0 Ohms .6 amps White Neutral -Main terminal block - White w/ Black tracer - P5
Door Latch Motor (Upper) 240 VAC 12.86K Ohms Black L2- Main terminal block - White wire - P22
SW1 - Door Lock Switch (Upper) 5 VDC Open with door unlocked N/A Green wire (common) - Orange to PU 2 - Main Control Board
SW2 - Door Lock Switch (Upper) 0 VDC Closed with door unlocked N/A Green wire (common) - Blue to PU 2 - Main Control Board
High Limit Thermostat (Upper) Normally Closed @ 180
˚
F N/A Gray Wires (X2) - P10 on Upper Relay board
Door Interlock switch 5 VDC N.O. - Closed when door closed N/A Brown wire - Violet wire - PU 2 - Main Control Board
Cavity Light(s) 120 VAC 60 Ohms .2 amps White Neutral -Main terminal block - Yellow wire P2
DOULBE OVEN MODELS
*
Convection Element (Lower)
240 VAC 20.8 Ohms 11.5 amps K17 yellow -Line break relay – P7 white w/Green tracer
Outer Broil Element (Lower) 240 VAC 40.0 Ohms 6.0 amps K17 yellow -Line break relay – P6 Gray wire
Inner Broil Element (Lower) 240 VAC 22.6 Ohms 10.6 amps K17 yellow -Line break relay – P6 Violet wire
Outer Bake Element (Lower) 240 VAC 38.4 Ohms 6.25 amps K17 yellow -Line break relay – P9 Blue wire
Inner Bake Element (Lower) 240 VAC 38.4 Ohms 6.25 K17 yellow -Line break relay – P9 Orange wire
RTD (Lower) 5 VDC 1100 Ohms @ 75°F N/A Black / Yellow wire - PL 3 - Main Control Board
*
Convection Motor (Lower)
240 VAC 100 Ohms x 2 .8 amps Black L2- Main terminal block - P3 Blue - P4 Gray, L2
Blower Motor(Upper / Lower) 120 VAC 19.0 Ohms .6 amps White Neutral -Main terminal block - White w/ Black tracer - P5
Door Latch Motor (Lower) 240 VAC 12.86K Ohms Black L2- Main terminal block - White w/Red tracer - P22
SW1 - Door Lock Switch (Lower) 5 VDC Open with door unlocked N/A Green wire (common) - Orange to PL 2 - Main Control Board
SW2 - Door Lock Switch (Lower) 0 VDC Closed with door unlocked N/A Green wire (common) - Blue to PL 2 - Main Control Board
High Limit Thermostat (Lower) Normally Closed @ 180
˚
F N/A Gray Wires (X2) - P10 on Upper Relay board
Door Interlock switch (Lower) 5 VDC N.O. - Closed when door closed N/A Brown wire - Violet wire - PL 2 - Main Control Board
Cavity Light(s) 120 VAC 60 Ohms .2 amps White Neutral -Main terminal block - Yellow wire P2
Resistance
(approximate)
50 1038
75 1090
100 1143
200 1350
300 1553
350 1654
400 1754
450 1852
500 1950
550 2047
600 2153
650 2238
700 2332
750 2425
800 2518
850 2609
900 2700
RTD (Resistive Thermal Device)
Temperature (°F)
*
On Premiere models only!
The chart shown here is a Temp-to
Resistance Chart for the RTD.
The oven sensor is also known as
a P.T.C (
P ositive T emperature
C ontrol) device which means that
as the temperature rises, the
resistance increases.