Welding operation
Operating Instructions Soyer Bolzenschweißtechnik 55
Notes on error messages
• In case of errors E01 to E04 and E06, the device switches to malfunction.
Welding is no longer possible. The device can only be recommissioned when
it is switched off and then switched on again.
• In the event of error code E05, excess temperature, the welding device cannot
be used until the displayed error message disappears.
E03 Safety circuit malfunction • Defective quick-discharging resistor
• Safety relay is clamping or sticking
• Switching times of the safety relay too long
E04 Incorrect mains voltage The mains voltage must be between 90...130 V at
60 Hz or 180...275 V at 50 Hz.
The required mains voltage can be found on the
type plate.
E05 Excess temperature of the electronic
equipment
During high welding sequences, the device may
be exposed to an increased ambient temperature
(>45°C) or direct sunlight.
E06 Error in the welding gun • Non-permissible welding gun
• Welding gun wired incorrectly
• Wrong adapter on the gun cable
• Software or hardware error (troubleshooting
can only done by Soyer customer service).
Error
code
Description Possible cause
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