Troubleshooting Instructions - BelFox 47-21-i Mode D'emploi

STP Stop input open (actuated)
LS Light barrier input open (actuated)
SE1 Safety input 1 - none 8,2kΩ detected / OES error
SE2 Safety input 2 - none 8,2kΩ detected / OES error
E-A Limit switch open detected
E-Z Limit switch Closed Detected
#### No learning trips carried out yet
? End positions / reference positions are searched
for after voltage is switched back on.
* Hold-up time is running out

13.4. Troubleshooting instructions

The DCM 21-i control unit make troubleshooting much easier for the
installer. The display not only shows you the currently activated inputs, but the
controls also have a memory, which stores the last 10 malfunctions (software)
see instruction point 13.1. and the last 50 activations (safety inputs etc.) – see
instruction point 13.2. incl. time display.
Proceed as follows to read out the currently actuated inputs:
Press the "Escape/Menu" key repeatedly until the display shows "Last com-
mands". Now press the "Escape/Menu" key again.
Now the current status of the motor is shown in the first line of the display. The
second line of the display shows you the currently activated/operated inputs.
Significance of the indi-
cator
Z1
The contacts of the hall
&
sensors, which are in-
Z2
stalled in the motor,
are active during en-
gine operation. They
flash continually in that
period.
In downtime, it has no
importance to know if
they are
active or not.
REF The Reed contact which
serves as a reference
point should shortly
flashes by each travel.
Potential malfunctioning
If they stopped flashing:
It stopped flashing:
42
SL7 Ts 27 & 28
SL7 Ts. 29 & 30
SL8 Ts 32 & 35
SL8 Ts 33 & 36
Cause & remedy
► The motor is defective
Replace the motor
Ö
► The wire of the hall sensor is damaged
Repair the wire / replace the
Ö
motor
► Magnet on the gear rack missing
Fix a new magnet
Ö
► The Reed contact is defective