Zapi COMBI AC1 User Manual

11) “OUTPUT MISMATCH”
Cause:
This is a safety related test. Slave µC has detected that the Master µC is
driving traction motor in a wrong way (not correspondant to the status of
operator commands).
Troubleshooting:
This is a internal fault of the controller, it is necessary to replace it.
12) “WATCHDOG”
Cause:
It is a self diagnosis test within the logic between Master and Slave
microcontrollers.
Troubleshooting:
This alarm could be caused by a canbus malfunctioning, which blinds
master-slave communication. Otherwise it is an internal fault of the controller
which must be replaced.
13) “NO CAN MESSAGE#2”
Cause:
No Can messages from the master microcontroller.
Troubleshooting:
This alarm could be caused by a canbus malfunctioning, which blinds
master-slave communication Otherwise the problem is inside the logic,
replace the controller.
14) “HW FAULT”
Cause:
The slave has detected that the master microcontroller is not able to stop
hydraulic functions.
Troubleshooting:
This type of fault is not related to external components; replace the controller.
AEQZP0BA – COMBI AC1 - User Manual Page - 79/86

Zapi COMBI AC1 Specifications

General

Brand	Zapi
Model	COMBI AC1
Category	Inverter
Language	English