Fri-Jado BS10i, Service Manual

Page: 33 / 88

TROUBLE SHOOTING
Page 33 Page 33
Service Manual Bake Star intelligent
PKII
form 9123665 rev. 06/2013
TROUBLE SHOOTING BY SYMPTOM.
Almost any problem can be caused by defect controller boards and therefore this will not be
mentioned each time.
Symptom Possible cause Caused by
Unit will not switch on. Mains breaker open Check mains connections and associated
wiring. Also inspect mains fuses.
Hi limit thermostat triggered Hi limit thermostat triggered due to trans-
port (hi vibrations).
Defective hi-limit thermostat.
Defective temperature sensor.
Wiring problem Check wiring, plugs and sockets inside and
outside of unit.
Control boards defective Mains power surge. (fuse blown)
Unit does not heat up. Contactor does not switch on Defective contactor.
Defective temperature sensor.
Wiring problem.
Unit is put in “DEMO Mode”
Wrong cooking program.
Door does not close well.
Refer to the alinea “trouble
shooting door and lock” in
the chapter “service procedu-
res”
Doorlock not aligned correctly Doorlock loose.
Door suspension loose.
Door handle loose.
Doorlock defective Door adjustment wrong.
Mounting of doorlock wrong.
Door lock too tight. Door (catches) not adjusted correctly.
Bad cooking results, uneven
cooking Air circulation problem Fanblade loose
Blower(s) defect (coil or bearing)
Capacitor(s) of blowers defect
Filters blocked
Fan speed or direction wrong.
Broken fan board (broken relay)
Too much or too less heat Contactor hangs
Sensor defect (wrong value)
Too much steam Solenoid valve defect
Dirt in solenoid valve
No or too little steam Dirt in solenoid valve
Waterpressure too low
Tubes calcified
Leaking hose
No heating
Door does not close well Broken door lock
Broken (leaking) doorgasket
Door adjustment wrong
Product not cooked, cooking
takes more time Short of heat Heating element defect
Contactor defect
Sensor defect
Wire loose
Cooking program wrong Wrong programming
Wrong product