Iwatsu SS-500 Series Instruction Manual page 98

Errors
Demagnetizing / automatic zero-adjustment unavailable
Orange flashes 3 times
One of greens lights up
Demagnetizing and automatic zero-adjustment cannot be
performed; otherwise, demagnetization or automatic zero-
adjustment has not been completed normally.
The device must be in the following conditions:
• The upper jaw is unlocked.
• An overload has been detected whether or not the upper
jaw is locked.
• A current exceeding 0.5 A rms has been detected whether
or not the upper jaw is locked.
 Depending on the LED status exhibited after the three
blinks, implement the remedy described on the following
pages. After that, re-execute demagnetization and
automatic zero-adjustment (p. 3 3).
92
Green lights up
Reds flash 3 times