User Manual

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0DT829 01-12-2021
8. TROUBLESHOOTING
COMMAND PROBLEM CHECK
Any command with the
curtain in any position
The curtain and the
motor do not move
• Mains power supply or fuses F1, F2, F3
•
STOP activated (“Stop” LED on push-button panel permanently on)
• Motor connected to wrong terminals and/or for 400V version
dip-switch in incorrect position (see page 8)
• For 400V version opening (A) and closing (C) limit switches
activated simultaneously (LEDs 11 e 12 on)
• Motor with thermal switch activated
• Manual operation safety micro activated
• One of the power devices faulty (control panel, motor, motor
connection cable)
The motor rotates in the
opposite direction
• Invert the position of the two phases of the power supply line
Opening command with
curtain closed
The motor does not
move
• Opening command not connected correctly or faulty
(commands 1 - 3)
• For 400V version safety device activated (Stop button LED
ashing and SA LED permanently ON) with SO jumper closed
• Opening limit switch(A) activated (LED 12 ON)
• Closing command always activated or short-circuited
Closing command with
curtain open
The motor does not
move
• Closing command not connected correctly or faulty
(commands 1 - 4)
• Safety device activated (Stop button LED ashing)
• Closing limit switch (C) activated (LED 11 ON)
• Opening command always activated or short-circuited
• Failed safety device autotest (Stop LED on push-button panel
OFF)
Stop activated during
an operation
The motor does not
stop
• Stop command not working or incorrectly connected (Stop
LED on push-button panel does not come on)
The motor stops late • Motor brake worn or faulty
Activation of a safety
device during closing
Door movement is not
reversed
• Safety device faulty or not connected correctly
• Check earth connections.
Door movement does
not reverse or reverses
only for part of the
stroke
For 400V version
• Input 17 closed (LED 17 OFF)
• Cam B incorrectly regulated (LED 17 OFF or comes on in an
incorrect position)
Automatic closure
activated with curtain
open
The door does not close
automatically after the
time set with TC
• Automatic closure not enabled correctly
• Opening command always activated or short-circuited
• Failed safety device autotest
During an operation The curtain does not
stop at the limit switch
For 400V version
• Limit switch contact is short-circuited (LED 11 or LED 12 always
OFF)
• Mechanical fault in the limit switch (LED 11 or LED 12 always OFF)
• Brake worn or faulty (LED 11 or LED 12 ON)
The curtain does not
stop correctly at the limit
switch
For 400V version
• Dip-switch 5 set to OFF
Before performing and operations and working on the electronic equipment make sure that the power
supply has been disconnected
The following instructions are for qualied and authorised personnel only. Specic laws and standards
must always be complied with even when not expressly indicated.
For repair work or replacements, use only original Ditec spare parts.
DANGER
WARNING
NB: for diagnostics specically for the inverter panel 52E, also see page 13
EN