HAKO 7580.02, Service Booklet

Page: 83 / 116

Foil 83
9.2.3 ZAPI Controller
21) POSITION HANDLE
If, upon switching ON, the tiller micro-switch has already been actuated, an error is output (only if
SAFETY SWITCH is programmed to HANDLE). Possible causes:
a) Tiller micro-switch stuck
b) Incorrect operation
22) INVERSION
If, upon switching ON, the emergency inversion switch (deadman) has been pressed, an alarm is
output. Possible causes:
a) Micro-switch for emergency inversion stuck
b) Incorrect operation
c) Incorrect wiring or programming
23) FORW - BACK
Fault is displayed if two directions are simultaneously active. Possible causes:
a) Wiring defective.
b) Direction micro-switch stuck. If none of the causes applies, replace logic!
24) BATTERY
Battery discharged, i.e. voltage has fallen below 60% of nominal voltage. An alarm is output. The
system switches off but may be restarted. In that case, maximum current will be reduced to 50% of
the programmed maximum current value.