TE RBK-X1 - Page 47

RBK-X1 / RBK-X1C
Rev. B Jun. 2021
46
Problem
Possible Cause
Verification
Solution
Heater chamber
fails to move when
start buttons
pressed.
Heater not in rear
position.
Check heater chamber
position.
Check for obstruction.
Remove obstruction.
Press cycle start
buttons to return
heater to the rear
position.
‘Home’ sensor failed or
stuck OFF.
Check sensor gap and
position.
Sensor should be
illuminated. Check wiring
and connections.
Adjust sensor position
or replace if required.
‘Load’ sensor failed or
stuck ON.
Check sensor gap and
position.
Sensor should be
illuminated. Check wiring
and connections.
Adjust sensor position
or replace if required.
Safety Relay error
when the start buttons are
pressed, check contact
“43” is connected to “44”
from circuit.
Replace the safety
relay
when the start buttons are
pressed, check there is
24V power supply
between A1 & A2
Replace the safety
relay
Motor Failure
Check power to motor
(24V dc) when start
buttons are operated.
Replace motor. Rectify
wiring fault.
Mechanical Jam.
See section 4.2.10