Troubleshooting Chart
22 ©2007 Viking Preferred Service
Seconds to dispense 10 oz. water
Supply pressure 35 psig 45 psig 55 psig 75 psig
Filter model Bypass installed 9.0 8.0 7.0 6.0
Filter model New filter installed 11.0 10.0 8.0 7.0
A minimum supply pressure of 35 psig for water filter units is required. Minimum pressure requirement ensures that
water valves close and sufficient water volume is available to fill icemaker. Proper fill is 140 cc. of water in 7.5
seconds. Failure of water valves to close because of low pressure will result in fill-tube freeze-up or dripping at
cavity.
Pin Color Signal
1 BK/GN Digital Gnd
2 WHT/OR Therm Gnd
3 Therm Amb
4 WH/YL Therm FZ
5 WH/BU Therm FF
6 YL/BK OWL
7 DC+
8 WH/BK Super Cool DC -
9 RD/BK +12V
10 LT BU Disp
Harness MPCB J4 10-pin Connector Configuration
Pin Color Signal
1 WH Neutral L2
2
3 BU/RD DWP? CLS NO TR2
4 YL/RD DWP? OP? NC TR1
5 VT/BK FTN LITE TR3
6 OR/BK EV FAN
7 BR T-STAT RY2
8 BU COMP RY 1
9 RD HOT L1
Harness MPCB J3 9-pin Connector Configuration
Pin Color Signal
1 YL/WH DISP VALVE ?Y3
2 OR/YL Cubed RY4
3 BU/WH Crushed RY5
4 GY/WH Ice Door Sol RY?
Harness MPCB J1 4-pin Connector Configuration
Pin Color Signal
1 BK/GN Gnd
2 YL/BK OWL
3 RD/BK +12 V
4 LT BU Disp
Harness Fountain Display J1 4-pin Connector Configuration
Pin Color Signal
1 BK Disp Switch
2 BU Disp Switch
Harness Fountain Display J2 2-pin Connector Configuration
NOTE: All voltage measurements are referenced to line neutral or pin 1 (WH wire) of MPCB 9-pin connector.
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