Wolf WWD30-2, Руководство пользователя

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Electronic Control Info.
Warming Drawer WWD30-2
3-11
#814750 - Revision A - January, 2011
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.
( See Figure 3-16 )
Operations :
Once in this mode, software version will read in timer area. Revision will be displayed initially. ( See Figure 3-16 )
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. (
See Figure 3-17 & 3-19 )
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.
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.
TIMER
PROOF
LOW
PRESETS
HIGH
MED
TEMP
POWER
ON/OFF
PROOF
F
TEMP TEMP TEMP
ON TIMER
Figure 3-16. Press Power On/Off, MED & PROOF Simultaneously to Enter Diagnostics Mode.
TIMER
PROOF
LOW
PRESETS
HIGH
MED
TEMP
POWER
ON/OFF
PROOF
F
TEMP TEMP TEMP
ON TIMER
Figure 3-17. Example of Error 10 displayed.
TIMER
PROOF
LOW
PRESETS
HIGH
MED
TEMP
POWER
ON/OFF
PROOF
F
TEMP TEMP TEMP
ON TIMER
Figure 3-18. Example of Element ON display.