Skyjack SJ12 E - Page 140

140
SJ12 E, SJ16 E, SJ20 E
241914ACA
Section 5 – Procedures Display Module
Code Description Cause Troubleshooting
231-CTRL ERR PUMP I NO ZERO
In standby condition (pump motor not
driven), the feedback coming from the
current sensor in the pump chopper
gives a value out of a permitted range.
This type of fault is not related to
external components; replace the
controller.
232-CTRL ERR CONT. DRV. EV
One or more on/off valve drivers are
shorted.
Check if there is a short circuit or a
low impedance path between the
negative terminals of the involved
coils and -B.
233-CTRL ERR
POWERMOS
SHORTED
The DC-link voltage drops to zero when
a high- side or low-side MOSFET is
turned on.
Check that motor phases are
correctly connected.
Check that there is no dispersion to
ground for every motor phases.
In case the problem is not solved,
replace the controller.
234-CTRL ERR DRV. SHOR. EV XX
One or more on/off valve drivers are
shorted. For the meaning of code "XX",
refer to the dedicated sheet.
Check if there is a short circuit or a
low impedance path between the
negative terminals of the involved
coils and -B.
If the problem is not solved, replace
the logic board.
235-CTRL ERR
CTRAP
THRESHOLD
This alarm occurs when a mismatch is
detected between the set point for the
overcurrent detection circuit and the
feedback of the actual threshold value.
This type of fault is not related to
external components; replace the
controller.
236-CTRL ERR CURRENT GAIN
The current gain parameters are at the
default values, which means that the
maximum current adjustment procedure
has not been carried out yet.
Ask for assistance to a Zapi
technician in order to do the
adjustment procedure of the current
gain parameters.
238-CTRL ERR HW FAULT EV.
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.
This fault is not related to external
components.
239-CTRL ERR
CONTROLLER
MISM.
The software is not compatible with the
hardware. Each controller produced
is "signed" at the end of line test with a
specic code mark saved in EEPROM
according to the customized part
number.
According with this "sign", only the
customized rmware can be uploaded.
Upload the correct rmware.
Ask for assistance to a Zapi
technician in order to verify that the
rmware is correct.
240-CTRL ERR EVP DRIVER OPEN
The EVP driver (output NEVP, pin A26) is
not able to drive the EVP coil. The device
itself or its driving circuit is damaged.
Check parameters EVP COIL RESIST.
and EVP2 COIL RESIST. to match the
resistance values of the coils.
If the problem persists, replace the
controller.