Page 55
Page 55
TROUBLE SHOOTING
Service Manual LDR 8s AC
II
form 9120934 rev. 02/2022
Descrip-
tion of part /
function
Symptoms
Possible cause
Action
Inside door
Broken glass
Slamming of door.
Give instruction to operator.
Fastening bolts and nuts
are loose.
Tighten all fastenings.
No PTFE ring between
steel and glass.
Mount new door.
Door does not
properly open /
close
Door not well adjusted.
Adjust outside and inside door
Outside door
Broken glass
Slamming of door.
Give instruction to operator.
Fastening bolts and nuts
are loose.
Tighten all fastenings.
Door adjustment Door not well adjusted.
Adjust outside and inside door
Heating ele-
ment
Rotisserie doesn’t
reach adjusted
temperature
Wiring.
Check the wiring.
Check the power on the element.
Contactor
Check the contactor
Element malfunction.
Check the current with AC current tester.
Duration of gril-
ling time is too
long
Wiring.
Check the wiring.
Element malfunction.
Check the current with AC current tester.
Safety ther-
mostat
Contactor does
not switch on
after starting of
program
Wiring.
Check the wiring.
Thermostat malfunction.
Check if the thermostat is making contact.
Contactor swit-
ches off before
reaching the ad-
justed tempera-
ture in program
Thermostat malfunction.
Check if the thermostat is turned fully
clockwise (contact closed).
Thermostat probe not in
right position.
Check the position of the thermostat probe.
Contactor
Contactor
doesn’t switch on
Wiring.
Check the wiring.
Coil malfunction.
Check resistance of the coil. This should be ±
600Ω.
Contactor swit-
ches on, but
no power on
lamp or heating
element.
Contact burned.
Check the wiring.
Check the power on al contacts.
Check the contacts of the contactor.
Capacitor
Drive motor or
blower don’t
work
Wiring.
Check the wiring.
Capacitor malfunction.
Check function after connecting a new capa-
citor.
Checking of capacitor:
See chapter “electrical tests”
TROUBLE SHOOTING BY PART / FUNCTION.
