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WN 059677 45532 - 11/2023
ES 250 PRO/ES 250 PRO FST
ES 400 PRO/ES 400 PRO FST
Mounting instructions
Display Meaning/cause Troubleshooting/possible causes
E069 Firmware update
Install firmware via Operator Service Interface
Replace control unit if necessary
E071 EEProm memory check failed
Select factory setting
Replace control unit if necessary
E072 Second shutdown path CPU 1
Replace control unit
E073 Second shutdown path CPU 2 (ES250/400 PRO FST only)
E074 Watchdog CPU 1
E075 Watchdog CPU 2 (ES250/400 PRO FST only)
E080 Charge battery
Checking the setting for battery operation
Is the battery connected correctly?
Is the battery sufficiently charged?
Measure battery voltage
Check wiring
Replace battery if necessary
E081 Battery undervoltage
Check wiring
Charge battery
Replace battery if necessary
E082 Battery overvoltage
Check battery charging voltage
Replace control unit if necessary
E083
Battery test run failed
(ES250/400 PRO FST only)
Check battery
Replace battery if necessary
E084 Battery charging circuit Replace control unit if necessary
E085 Battery missing
Check battery
Check wiring
Replace battery if necessary