7.2 Troubleshooting
Trouble
The controller is not turned on
FR01 end cycle alarm
FR02 end cycle alarm
The controller doesn't start
regeneration.
The controller displays wrong
parameters
The controller is blocked,
whatever button is pressed it
doesn't gives feedback on the
display
Controller displays ErEE or ErES
Possible cause
Controller not plugged or no
power is coming from the supply
Transformer faulty or wiring
Problem
Wiring problem
Mechanical problems:
Micro-switch support damaged
Cam not fixed
Micro-switch stick damaged
Micro-switch damaged
Wiring problem
Motor problem
Inhibit signal active
Bad programming
The controller is out of program
The controller is out of program
EEprom parameters reading error
/
EEprom statisics reading error
Page 30
Corrective action
Connect the controller the supply.
Using a DMM check if the
transformer is working properly. If
it works, check for a wiring
problem, otherwise just change
the transformer.
Open the box and check if the
harnesses are properly wired
like
showed
in
the
diagrams. Check if the harnesses
are damaged.
Open the controller box and check
the integrity of the plastic parts
holding the micro-switch.
Check if the cam is properly fixed
by the circlip.
Check if the metal stick witch
closes
the
micro-switch
damaged
Dismount the micro-switch and try
to actuate it manually. If the
controller goes back in service the
micro-switch is working, if this is
the case check for mechanical
problems.
If the controller doesn't go back in
service,
the
micro-switch
damaged or there is a wiring
problem
Using
the
electrical
diagrams
check
if
the
wiring
microswitch is properly done.
Check the integrity of the harness
Check if the motor is running.
Check motor wiring and the
harnesses integrity
Check if there is a shortcut
between
the
inhibit
ports.
Check if the controller is well
programmed based on the system
configuration.
Dismount the box and press the
reset hardware button. If this
doesn't solve the problem change
the board
Dismount the box and press the
reset hardware button. If this
doesn't solve the problem change
the board
If these parameters are displayed
continuously,
the
board
damaged.
wiring
is
is
of
the
terminal
is