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Document: GAR_SM_4601777 (4/16)
Troubleshooting
Section 5
Unable to reach or
maintain temperature
High temperature switch
tripped
Test that contactor is disengaged by
opening lower grate and listening for
contactor
Contactor disengaged
Open lower grate and listen for
contactor disengaging
Ribbon cable disengaged
Reseat ribbon cable on SSRB and SIB
Line voltage wiring harness
disengaged
Reseat wiring harness on SSRB
Ribbon cable damaged
Replace ribbon cable
Hardware failure on SSRB
Raise the setpoint and ensure green LED
on the SSRB lights up
Temperature calibration
incorrect
Reset off sets to default value and verify
temperatures
UI issues
Problem
Possible Cause
Action
No sound
Volume set too low
Set volume to high
Speaker wiring incorrect
Check that speaker connector is seated
on both pins
UI audio defective
Check for voltage at the speaker pins on
UI when sound is expected
Speaker defective
Check with known good speaker
UI not lit
Main power lost
Use voltmeter to confi rm main power
connected and live
Connection to SIB lost
Check that Cat5/RJ45 cable seated
correctly at UI and SIB. Unplug and
replug to force reboot
24v power supply defective
Check for blinking heartbeat LED on SIB
Screen locked out, frozen,
non responsive to touch
Software issue
Turn off grill using main power switch,
turn on after 10 seconds.
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