SERVICE DIAGNOSTICS
TruProtect™ “Advanced” Function “Quick” Reference
Solid Door Models:
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| 55 | ˚F | WARMER |
| TruProtect System |
| ON |
| POWER FAILURE - Flashing Amber | |||
| SET | F/C | ||||
| HIGH/LOW TEMP - Red | |||||
| OFF |
| COLDER |
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| ALARMS OFF - Steady Amber | ||
| PRESS AND HOLD |
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| PRESS ON/OFF - Reset | |
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Function |
| Function Access |
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Show Room Mode |
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| ON | keypad while | |
Enable the Show Room Mode by pressing and holding the OFF | ||||||
| performing a “Power On Reset”, (POR), i.e. - disconnect and reconnect the power | |||||
| supply to unit. Exit Show Room Mode by initiating a POR only. |
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| “Enter” and “Exit” Service Diagnostics mode by pressing and holding the WARMER keypad | |||||
| while pressing the COLDER | keypad | ||||
| also will automatically exit after |
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Display Error Code Reference:
The microprocessor in the control continually monitors critical refrigeration system components for proper operation. If component parameters exceed normal operating specifications, the display will automatically flash the respective error code as follows:
| E1 | Compressor fault, (high/low amps). |
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Service Diagnostics | E2 | Condenser fan motor fault, (high/low amps). |
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| E3 | Evaporator thermistor “sensor B” fault, |
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| E4 | Display thermistor “sensor A” fault, |
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Power line fluctuations may cause an error code to be displayed with no product fault.
Therefore, the first time an error code appears, please clear the code by holding SET and
ON
pressing OFF 4 times. If the product is at fault, the error code will appear again, and you
should contact your Dealer or Viking Customer Service to schedule service by a
qualified technician.
Glass Door Models:
| 55 |
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| TruProtect System |
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| WARMER | F/C | POWER FAILURE - Flashing Amber | |
ON | ˚F | SET | ˚̊ | ||
| HIGH/LOW TEMP - Red | ||||
OFF |
| COLDER | LIGHT | ||
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| ALARMS OFF - Steady Amber | |||
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PRESS AND HOLD | PRESS ON/OFF - Reset |
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Control Confirmation/Comment
Show Room Mode will disable the refrigerator system and fans while allowing the internal lights, display and user interface panel to function. Lights will time out after
Service Diagnostics Mode enables service technicians to identify the firmware and software versions, test status of “model specific” system components and sensors and change state of components where applicable, (i.e. - compressor
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 | |||||||||
following component tests are available: |
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| Test # | Component Description | OK | Off/Open | On/Shorted | |||||
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0 | Temp Sensor A | 0 - |
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| 01 |
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1 | Temp Sensor B | 1 - |
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| 10 |
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| 11 |
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2 | Compressor | n/a |
| 20 |
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| 21 |
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3 | Interior/Ice Maker Fan | n/a |
| 30 |
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| 31 |
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4 | Reverse Gas Solenoid | n/a |
| 40 |
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| 41 |
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5 | Condenser Fan | n/a |
| 50 |
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| 51 |
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6 | Mullion Heater | n/a |
| 60 |
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| 61 |
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7 | Door A Sense | n/a |
| 70 |
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| 71 |
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8 | Door B Sense | n/a |
| 80 |
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| 81 |
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9 | Door C Sense | n/a |
| 90 |
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| 91 |
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Note: Must use magnet to change state of Door C Sense.
magnet sense area
ON | 38 | ˚F | SET |
OFF |
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PRESS AND HOLD |
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18 | 19 |
