Key Panel Test; Warming Drawer Performance; Oven Self-Clean Operation; Convection Fan Operation - LG LRG30855S Series Training Manual

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KEY PANEL TEST

The key panel and ERC are separate components but must be tested together.
Press each pad on the key panel followed by the START pad. If the key panel is
functioning properly, the following should occur:
BAKE, CONV. BAKE, CONV. ROAST, BROIL HI/LO, COOK TIME,
DELAY START, WARMING DRAWER SET/OFF, SELF CLEAN, CLOCK,
TIMER ON/OFF, and CONTROL LOCKOUT Modes –
- Audible tone plus display showing mode of operation selected.
CLEAR/OFF - Audible tone and display shows time of day.
PROBE
- Audible tone and response if meat probe is plugged in
NUMBERS - Audible tone.
(Can be used only after another function has been selected.)

WARMING DRAWER PERFORMANCE

The operation of the warming element is controlled by user settings and the ERC.
One of three warming drawer heat settings can be selected. After a pre-
determined timed preheat period, cycling of the element is controlled by the ERC
with a four-minute duty cycle.
Setting
Preheat
Time On
1 (LOW)
900 seconds 144 seconds
2 (MED)
1,200 seconds 192 seconds
3 (HIGH)
60 seconds Constant ON

OVEN SELF-CLEAN OPERATION

The broil burner heats the oven to approximately 775°F (413°C). After 775°F
(413°C) is reached, only the bake burner maintains clean temperature of
approximately 815°F (435°C) center temperature. The convection fan does not
operate in the clean cycle.

CONVECTION FAN OPERATION

The convection fan is operated by a 2-speed non-reversing motor. The fan motor
operates on low speed during convection bake and on high speed during
convection roast.
The convection fan does not operate during preheat or self-clean.
GAS RANGE
Duty Cycle
Duty Cycle
On Time
Off Time
96 seconds 200° F (93° C)
48 seconds 250° F (121° C)
0 seconds 284° F (140° C)
Page 52 of 72
Target Temp
TRAINING MANUAL

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