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14 AC1 ALARMS LIST

The ALARMS logbook in the MAIN MENU’ records the alarms of the controller. It

has a FIFO (First Input First Output) structure that means the oldest alarm is lost

when the database is full and a new alarm occurs. The logbook is composed of

five locations getting possible to stack five different type of alarms with the

following information:

1) The alarm code

2) The times that each alarm occurs consecutively

3) The Hour Meter value when the latest event of every alarm occured

4) And the inverter temperature when the latest event of every alarm occured.

This function permits a deeper diagnosis of problems as the recent history can be

revisited.

The MDI-PRC code is the corresponding number with which the alarm is

signalled on the MDI-PRC display.

14.1 Main menu “ALARMS” list

To Enter the MAIN MENU’ push the Enter button at the Home Page of the hand

set display and Roll for the ALARMS item. Here is the ALARMS list:

14.1.1 One Blink Alarms

1) WATCH DOG

MDI-PRC Code = 8

- Cause: It occurs when the embedded WATCH DOG protection is not

able either to cut off the power stage when not triggerd or it is

not able to activate the power stage when triggered.

- Remedy: Verify the motor is connected and the continuity of the three

motor phases. If the alarm occurs permanently, it is necessary

to substituite the controller.

2) EEPROM KO

MDI-PRC Code = 13

- Cause: It occurs due to a HW or SW defect of the non-volatile

embedded memory supporting the controller regulations.

- Remedy: Try to execute a CLEAR EEPROM operation. This consists of

Entering the ALARMS item in the MAIN MENU’. Push at the

same time the two right side buttons to enter the hidden ZAPI

MENU’. Roll up and Down until the CLEAR EEPROM appears

on the hand set display. Push Twice the Enter Button. Switch

the key off and on to check the result. If the alarm occurs

permanently, it is necessary to substituite the controller.

3) LOGIC FAILURE #1

MDI-PRC Code = 19

- Cause: It occurs when the battery voltage overtakes 45V (when the

battery is 24V) or 47.5V (when the battery is 36V). It also

occurs when the supply voltage inside the logic falls less than

11Vdc.

- Remedy: Normally the overvoltage occurs due to the regenerative

braking energy increasing the battery voltage; the undervoltage

of the logic supply, can be due to a depletion in the key voltage

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Zapi COMBI AC1 Manual de usuario Pagina 61

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