Zapi COMBI AC1 Manual de usuario descargar pdf (Pagina 68)

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than 400msec. The goal of this diagnosis is to detect a failure of

the A/D converter or a problem in the code flow that omits the

refreshing of the analog signal conversion.

- Remedy: If the problem occurs permanently it is necessary to substituite

the controller.

14.1.7 Seven Blinks Alarms

1) HIGH TEMPERATURE

MDI-PRC Code = 61

- Cause: This alarm occurs when the temperature of the base plate is

higher than 90° at 24V or 78° at 48V. Then the maximum

current decreases proportionally with the temperature

increases from 90°(78°) up to 110°(103°). At 103° the Current is

limited to 0 Amps.

- Remedy: Improve the air cooling of the controller.

2) MOTOR TEMPERAT

MDI-PRC Code = 65

- Cause: This is just a warning with no effect on the truck performance. It

occurs when the temperature of the motor winding overtakes

the MOTOR OVERTEMP setting.

- Remedy: Check the thermal sensor inside the motor (use the MOTOR

TEMPERATURE reading in the TESTER menu). If the sensor is

OK, improve the air cooling of the motor.

3) THERMIC SENS KO

MDI-PRC Code = 73

- Cause: When the output of the thermal sensor on the base plate is

higher than 4.95V or lower than 0.1V , the sensor is assumed

failed and this alarm occurs.

- Remedy: It is necessary to substituite the controller.

14.1.8 Eigth Blinks Alarms

1) CAN BUS KO

MDI-PRC Code = 67

- Cause: It occurs if the controller does not receive any message from

the CAN Bus line.

- Remedy: First of all, check the wiring. If it is OK , try to disconnect one to

one the module connected to the CAN Bus and check if this

alarm disappears. When you are quite sure the problem is in

the present module, it is necessary to substituite the controller.

14.1.9 No Blink Alarms

1) STOP TOP

MDI-PRC Code = Null

- Cause: This is just a warning to inform the Passive Emergency Cell

(see 5.1) operates. The Passive Emergency Cell operates

when the controller takes longer than 800msec, after the tiller

was released, to reduce the frequency in the motor, close to

zero. The Passive Emergency Cell siwtches off the Top Side

Power Mosfets (this is the reason for the name) of the three

phase bridge.

- Remedy: The controller exits automatically this warning when the

operator turns the truck moving.

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Zapi COMBI AC1 Manual de usuario Pagina 68

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