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no traction
Hi guys, anyone have any knowledge on cesab, it is an older DC model with zappi controller. when it is powered up and you select direction and press the go pedal there is a chattering of contactors and the display on the dash gives an 8 flash fault code. any help would be much [url removed]
  • Posted 4 Nov 2009 04:23 AM
Total replies: 4. Showing items 1 - 4 of 4 results.
Replies
zappi blink code hope this helps
5.4 H2B TRACTION DIAGNOSIS
Description of the alarms signalled by the diagnostic LED.
The alarm code is shown in parentheses.

1 BLINK = Logic anomaly (EEPROM DATA KO, EEPROM PAR. KO,
EEPROM CONF. KO, EEPROM OFF-LINE, CHOPPER NO CONF,
WATCH-DOG).

2 BLINKS = Running request on startup or error in handle/speeds sequence
(INCORRECT START).

3 BLINKS = Error on VMN test (NO FULL CONDUCTION, VMN LOW)
.
4 BLINKS = Accelerator high in standby - this error inhibits operation (VACC NOT OK)
.
5 BLINKS = Error in reading current - this error inhibits operation (I HIGH AT STAND,
I=0 EVER
6 BLINKS = Malfunctioning of the contactor driver circuit (DRIVER SHORTED,
COIL SHORTED).

7 BLINKS = Excessive temperature, greater than 80°C (TH. PROTECTION).

8 BLINKS = Contactors do not open or VMN high in standby (BRAKE CONT. OPEN,
DIR CONT. OPEN, VMN HIGH).

9 BLINKS = Contact stuck (BRAKE CON CLOSED) only for regenerative;
(DIR. CON CLOSED) only standard traction.

CONTINUOUS BLINKING (32 BLINKS) = Low battery charge, battery with <10% of
residual charge (BATTERY)
.
LED REMAINS ON = Double running request (FORW BACK).
H2B standard traction
  • Posted 4 Nov 2009 07:28 AM
  • edward_t
  • South Carolina, United States
so in other words, your 8 flashes looks like a problem or mis adjustment of the accel pot.

"it's not rocket surgery"
  • Posted 4 Nov 2009 08:39 AM
Hi keith thanks for the list of zappi error codes. Have we met in the past?? I used to work for Ambassador lift trucks in Witham before moving to the west country 5 years ago.
  • Posted 5 Nov 2009 04:24 AM
Fault lies in your small re-gen contactor or wiring relating to that contactor.

Swing the board up and lock it in place, you can carry out checks with the board swung up no problem at all.
  • Posted 9 Jan 2010 08:17 PM
Total replies: 4. Showing items 1 - 4 of 4 results.

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