Blodgett MT3855G-G - Manuel (Page 27)

Maintenance
23
Troubleshooting Guide
POSSIBLE CAUSE(S) SUGGESTED REMEDY
SYMPTOM: Blower motor(s) not running
S Computer Control turned OFF
S Emergency stop switch on OFF
S No power to oven
S Motor circuit breaker open
S Control Circuit breaker open
S Motor(s) burned out
S Press ON/OFF key
S Pull switch out to ON
S Reset breaker
S *
S *
S *
SYMPTOM: Computer controller displays: Probe-Open-Probe-Short and alarm buzzer sounds
S Shorted or open RTD probe
S Computer controller not properly installed
S Internal problem with computer Controller
S Loose connections at the computer Controller
S Press Clear key to silence buzzer
S Reinstall
S *
S *
SYMPTOM: Burner will not fire
S Computer control turned OFF
S Emergency stop switch on OFF
S Blower motor(s) not running
S Computer temperature not set above ambient
temperature
S Manual gas valve closed
S High limit control tripped
S Defective Computer Controller
S Control circuit breaker tripped
S Air pressure switch out of adjustment
S Thermal switch in control compartment tripped
S Press ON/OFF key
S Pull switch out to ON
S *
S Set to desired temperature
S Open valve
S *
S *
S *
S *
S Excessive intake air temperature --- check hood
system
*Denotes remedy is a difficult operation and should be performed by qualified personnel only. It is recommended, however, that
All repairs and/or adjustments be done by your local Blodgett service agency and not by the owner/operator. Blodgett cannot as-
sume responsibility for damage as a result of servicing done by unqualified personnel.
WARNING!!
Always disconnect the power supply before cleaning or servicing the oven.