Field Service Mode - Wolf WWD30-2 Manual

Warming Drawer WWD30-2

FIELD SERVICE MODE

Initiating Diagnostics Mode:
Note: Diagnostics mode can only be entered from "'OFF" mode.
Mode Entry:
The Field Service mode can be entered by pressing and holding "Power On/Off" key, along with "MED" and
"PROOF" keys simultaneously for 5 seconds.
PROOF
Figure 3-16. Press Power On/Off, MED & PROOF Simultaneously to Enter Diagnostics Mode.
Operations:
Once in this mode, software version will read in timer area. Revision will be displayed initially.
NOTE: If in Showroom Mode, temperature display will read "Sr" upon entering Field Service Mode. Display will
show Can-CEL then Sr will be displayed at 1 second intervals until Field Service Mode is canceled or times out. To
use this feature, Showroom Mode must be canceled. See Showroom Mode for details.
To scroll through errors, use "TIMER" up or down arrow keys. Once you begin scrolling through errors, (i.e. "Err 10",
where "Err" is displayed in the temperature readout and "10" is displayed in the timer section). You can also scroll
through additional control information parameters such as total hours used.
NOTES:
• Using the opposite "TIMER" up or down arrow key will reverse your previous order.
• To clear error codes logged, press and hold "TIMER" up and down arrow keys for 5 seconds, while in Field
Service Mode. See Troubleshooting, Section 5, for list of error codes and meanings.
• NOTE: Once you have made it through all errors and information parameters, revision of the control will again
illuminate, starting the sequence over.
PROOF
Functionality of fan, element and drawer switch can be tested by pressing the "TEMP" up or down arrow key.
(See Figure 3-18)
Mode Exit:
Pressing the "Power On/Off key will cancel field service mode.
NOTE: If no other key presses are noted after 2 minutes, control will also exit field service mode and power down.
PROOF
(See Figure
F
POWER
ON/OFF
ON TIMER
F
POWER
ON/OFF
ON TIMER
Figure 3-17. Example of Error 10 displayed.
F
POWER
ON/OFF
ON TIMER
Figure 3-18. Example of Element ON display.
Electronic Control Info.
3-16)
HIGH
TEMP TEMP TEMP TEMP PRESETS
MED
(See Figure 3-17 &
HIGH
TEMP TEMP TEMP TEMP PRESETS
MED
HIGH
TEMP TEMP TEMP TEMP PRESETS
MED
3-11
LOW
TIMER
PROOF
(See Figure 3-16)
3-19)
LOW
TIMER
PROOF
LOW
TIMER
PROOF
#814750 - Revision A - January, 2011