Beck, R&J Automobile Parts 14-10 Benutzerhandbuch

36

If your unit contains a Stall Protection Module (SPM) refer to publication 80-0017-03, page 7, “Troubleshooting”.

 1.  Control drive will not run in 

either direction with input signal 
applied to ESR-4 Board.  No 
lamps lit on ESR-4 board.

 2.  Control drive will not run in 

either direction with input 
signal applied to ESR-4 board.  
CPS-2 LED light out and 
jumper removed from monitor 
board relay.

 3.  Control drive runs in one 

direction only in AUTO, and 
both directions with Handswitch 
in RET and EXT.

 4.  Loss of ESR-4 signal lamp 

lights (red LED) with input 
signal applied.

 a. Handswitch left in wrong 

position. 

 b. No 120 V ac line supply.

 c.  Fuse F-1 open.

 d. External auto / man switch in 

wrong position (Position-AII). 

 e. ESR-4 board failure.

 f.  Jumpers between terminals F-N 

and D-M are not connected.

 a. No power.

 b. Control drive positioned beyond 

calibrated limits.

 c.  CPS-2 rotor position not set 

properly.

 d. CPS-2 not calibrated correctly.
 e. CPS-2 failure.

 a. ESR-4 zero adjustment 

incorrect.

 b. Handswitch failure.

 c.  Loss of input signal with “Drive 

to Zero” or “Drive to full travel” 
selected.

 d. ESR-4 circuit board failure.

 e. Loss of feedback signal.

 a. ESR-4 zero adjustment 

incorrect.

 b. Input signal reversed.

 c.  ESR-4 circuit board failure.

 d. Slidewire equipped drive with 

ESR-4 board calibrated for 
CPS-2. 

e. Incorrect film potentiometer 

setting.

 f.  Control signal wired through 

CPS-2 monitor relay.

 a. Return Handswitch to AUTO 

position.

 b. Check fuses and switches in 

power panel.

 c. Check for possible shorts, then 

replace fuse.  Use only Beck 
part no. 13-2230-03 for proper 
protection of triacs.

 d. Return switch to AUTO position.

 e. Replace ESR-4 circuit board. 

See page 35.

 f. Connect jumpers.

 a. Check power source.  Check 

CPS-2 power supply voltage.  
Check CPS-2 power transformer.

 b. Position drive with Handwheel 

and check limit switch settings.

 c. Set CPS-2 rotor position.  See 

page 35.

 d. Calibrate CPS-2.  See page 27.
 e. Replace CPS-2.  See page 35.

 a. Readjust ESR-4 zero.  See Input 

Signal Calibration, page 30.

 b. Check continuity from terminal N 

to V and M to U with Handswitch 
in auto position.  See wiring 
diagram.

 c. Check input signal.

 d. Replace ESR-4 circuit board.  

See page 35.

 e. Check signal from CPS-2 or 

potentiometer at TP3 on ESR-4.

 a. Readjust ESR-4 zero.  See Input 

Signal Calibration, page 30.

 b. Check polarity of input signal.  

Terminal AA (+), Terminal BB (-).

 c. Replace ESR-4 circuit board.  

See page 35.

 d. Cut R22 and R39 resistors and 

recalibrate the ESR-4 board.  
See page 30.

e. Reset  film potentiometer.  See 

page 26.

f.  Control drive position beyond 

calibrated range.  Use 
Handswitch or Handwheel to put 
drive within normal operating 
range.

MAINTENANCE