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of 28
V 03.17
STRAPEX STB 71/73/75
ENGLISH
6.8
Troubleshooting
If certain errors occur, the background lighting of the operating panel and the fault display (
code) illuminate, and an acoustic signal sounds.
If the error is still pending (is not reset automatically), acknowledge by removing / inserting the battery.
Display / state
Probable cause
Remedy / Corrective action
Operating panel does not
react +
●
Button lock is switched on.
►
Switch off button lock: see Section
4.6.
Display remains dark.
●
Battery faulty / fully discharged.
●
Battery not properly inserted.
►
Charge/replace battery.
►
Check whether battery is complete-
ly inserted and unlocking device
engaged.
E11, red d
pulsating (long)
Symbol flashes
●
Inserted battery not permitted
(wrong battery).
►
Insert correct battery.
E20, red d
pulsating (long)
Symbol flashes &
●
Battery too hot (> 60°C/140°F).
►
Allow battery to cool.
►
Charge battery, replace if neces-
sary.
Symbols & flashing
●
Battery temperature too low.
►
At a higher battery temperature
it recovers by itself. Work possible.
Max. strap tension is not reached.
E24, red d
pulsating (long)
Symbol flashes
●
Battery not properly inserted.
●
Wrong battery.
►
Insert battery properly.
►
Charge battery, replace if neces-
sary.
E25, red d
pulsating (long).
Symbols & flashing
●
Battery not properly inserted.
●
Temperature sensor faulty.
►
Insert battery properly.
►
Replace if necessary.
E27 (E23), red display
+ pulsating (long)
Symbol flashes
●
Battery undervoltage limits
reached.
●
Battery empty.
►
Charge battery, replace if neces-
sary.
E33, red d
pulsating (long)
Symbol
●
Electronics overtemperature.
●
Controller too hot.
►
Allow tool to cool.
E37, orange d
pulsating (medium)
Symbol
●
Tool jams during welding pro-
cess, dirty welding mechanism or
foreign body in tool.
►
Clean welding mechanism.
E50/51 orange d
pulsating (medium)
Symbol
●
Aborting of welding or cooling
process by lifting the rocker lever.
►
Repeat strapping.
E57 orange d
pulsating (medium)
Tension force display
flashes.
●
Strap slipped or broken.
►
Reinsert strap.
►
Check: Tension force, dirty strap,
right strap and state of tension
wheel / tooth plate.
E55/56 orange d
pulsating (medium)
Symbols &
●
Aborting of tensioning process.
●
Performance limitation or time
out.
►
Repeat tensioning.
In the case of other error numbers not described here, please contact the the local service center.
If the error cannot be rectified by applying the measures described above, please contact the local
service center!
