HELI G3 Series, Operation & Service Manual

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86
Troubleshooting
If the problem occurs permanently it is necessary to replace the logic board.
238 HW FAULT EV.
Cause:
At start-up, the hardware circuit dedicated to enable and disable the EV
drivers is found to be faulty. The hexadecimal value
“
XX
”
facilitates Zapi
technicians debugging the problem.
Troubleshooting:
This type of fault is not related to external components. Replace the logic
board.
239
CONTROLLER
MISM.
Cause:
The software is not compatible with the hardware. Each controller produced
is
“
signed
”
at the end of line test with a specific code mark saved in
EEPROM according to the customized Part Number. According with this
“
sign
”
, only the customized firmware can be uploaded.
Troubleshooting
- Upload the correct firmware.
- Ask for assistance to a Zapi technician in order to verify that the firmware
is correct.
240
EVP DRIVER
OPEN
Cause:
The EVP driver is not able to drive the EVP coil. The device itself or its
driving circuit is damaged.
Troubleshooting:
This fault is not related to external components. Replace the logic board.
241
COIL SHOR.
EVAUX
Cause:
This alarm occurs when there is an overload of one or more EV driver. As
soon as the overload condition has been removed, the alarm disappears by
releasing and then enabling a travel demand.
Troubleshooting:
- Check the EVs conditions.
- Check the wiring.
- Collect information about characteristics of EV coils and ask assistance to
a Zapi technician.
- If the problem is not solved, replace the logic board.
242
OPEN COIL
EV.
Cause:
This fault appears when no load is connected between the NAUX1 output and
the positive terminal PCOM .
Troubleshooting:
- Check the EB coil.
- Check the wiring.
- If the problem is not solved, replace the logic board.
243
THROTTLE
PROG.
Cause:
A wrong profile has been set in the throttle profile.
Troubleshooting:
Set properly the throttle-related parameters .