TE RBK-X1 - Troubleshooting; Preliminary Checks; Troubleshooting Table

RBK-X1 / RBK-X1C
Rev. B Jun. 2021
45
4.3 Troubleshooting
THE TASKS IN THIS SECTION SHOULD ONLY BE CARRIED OUT BY A
SUITABLY QUALIFIED TECHNICIAN. BEFORE STARTING ANY
REPAIRS, THE PROCESSOR MUST BE DISCONNECTED FROM THE
MAINS SUPPLY. AFTER COMPLETION, THE APPROPRIATE SAFETY
CHECKS MUST BE MADE.
If a fault appeared, the following tables will help in identifying the fault.
4.3.1 Preliminary Checks
Before investigating a fault condition check:
1. MAINS ISOLATION switch is in ON position.
2. EMERGENCY STOP switch is in OUT position.
3. All fuses are OK.
4. Power supply is ON.
4.3.2 Troubleshooting Table
Besides those error log described in section 3.10, other problem see below table.
Problem
Possible Cause
Verification
Solution
All LED’s OFF
No power.
Unplug mains power cable.
Check mains supply
present.
Restore power
supply.
Mains Switch not in the
'ON' position and/or the
Emergency Stop switch
pressed...
stand-by LED is illuminated
when the Mains Switch and
the emergency stop are in
the correct position.
Set switches to
correct position.
Mains input fuses
failed
Remove and check.
Replace if necessary.
HMI still on
standby interface.
I/O switch not pressed.
Check the I/O LED
illuminated
Press I/O switch for 5S to
start the processor.
Cycle cannot start
when press on
both start button.
Actual temperature
beyond set temperature
band.
Check that the Heater LED is
Green.
Wait until
temperature reach
set temperature
band.
Processor was under
Auto Centering mode
Check from main interface, if
the Auto Centering Indicator
was shown.
(Section 1.3, item 5)
Ref to section 4.2.8, how
to work under Auto
Centering Mode.
One cycle start button
disconnected.
Replace button if
necessary.