Viking F20497 manual TruProtect “Advanced” Function “Quick” Reference, Service Diagnostics

SERVICE DIAGNOSTICS

TruProtect™ “Advanced” Function “Quick” Reference

Solid Door Models:

Glass Door Models:

TruProtect System

55˚

WARMER

F/C

POWER FAILURE - Flashing Amber

ON

SET

˚̊

OFF

HIGH/LOW TEMP - Red

COLDER

LIGHT

ALARMS OFF - Steady Amber

PRESS AND HOLD

PRESS ON/OFF - Reset

Function

Function Access

Control Confirmation/Comment

Show Room Mode

ON

Show Room Mode will disable the refrigerator system and fans while allowing the internal lights, display and user interface

Enable the Show Room Mode by pressing and holding the OFF keypad while

panel to function. Lights will time out after 15-minutes of continuous on-time while in Show Room Mode as a safety

performing a “Power On Reset”, (POR), i.e. - disconnect and reconnect the power

feature. The 15-minute light-on time can be reactivated by closing and opening the door or by pressing the

supply to unit. Exit Show Room Mode by initiating a POR only.

LIGHT

keypad.

“Enter” and “Exit” Service Diagnostics mode by pressing and holding the WARMER keypad

Service Diagnostics Mode enables service technicians to identify the firmware and software versions, test status of

while pressing the COLDER keypad 4-times within 5-seconds. Service Diagnostics mode

“model specific” system components and sensors and change state of components where applicable, (i.e. - compressor

also will automatically exit after 5-minutes of no keypad entry.

on/off, etc...). While in Service Diagnostics Mode, tests are incremented by pressing the SET

keypad and specific

component state can be changed to “on” and “off” by pressing the WARMER

and COLDER keypads respectively. The

Display Error Code Reference:

following component tests are available:

The microprocessor in the control continually monitors critical refrigeration system

Test #

Component Description

OK

Off/Open

On/Shorted

components for proper operation. If component parameters exceed normal operating

0

Temp Sensor A

0 -

00

01

specifications, the display will automatically flash the respective error code as follows:

1

Temp Sensor B

1 -

10

11

2

Compressor

n/a

20

21

E1

Compressor fault, (high/low amps).

3

Interior/Ice Maker Fan

n/a

30

31

Service Diagnostics

4

Reverse Gas Solenoid

n/a

40

41

E2

Condenser fan motor fault, (high/low amps).

5

Condenser Fan

n/a

50

51

E3

Evaporator thermistor “sensor B” fault, (out-of-range).

6

Mullion Heater

n/a

60

61

7

Door A Sense

n/a

70

71

E4

Display thermistor “sensor A” fault, (out-of-range).

8

Door B Sense

n/a

80

81

9

Door C Sense

n/a

90

91

Please call a qualified service technician if any of these codes are displayed.

Note: Must use magnet to change state of Door C Sense.

magnet sense area

ON

38˚

SET

OFF

PRESS AND HOLD

18 19