wtw Turb 555 Operating Manual page 70

What to do if...
Error message
E-01 or SFE
The instrument does
not react on key-
pressing
70
Cause
– Severe instrument error
Cause
– No energy supply
Note
If a malfunction cannot be remedied please contact the
WTW service department.
Turb 555 / Turb 555 IR
Remedy
– Have the instrument
repaired
by the WTW service
department
Remedy
– Connect the plug-in power
supply to the measuring
instrument and the mains
power supply
ba41113e07 04/2009