Automatic Monitoring Of Components - HAKO Hakomatic B 1100 Service Booklet

9.2.1 ZAPI Controller
9.2.1 Automatic Monitoring of the Components
The micro-processor effectuates evaluation of basic controller functions.
This evaluation concerns:
•Check upon switching key switch ON:
Watch Dog, current sensor, power MOS FET, contactor activation (contactor driver),
direction switch, potentiometer connections, EEPROM)
•Check in standstill:
Watch Dog, current, power MOS FET, contactor activation (contactor driver), potentiometer
connections)
•Check during ride:
Watch Dog, current, power MOS FET, contactor activation (contactor driver), potentiometer
connections), closing and opening of contactors
•Permanent Monitoring:
Temperature, battery voltage
Eventual error messages are indicated by a blinking LED on connector B (section 2). The
number of blinks indicates the error type.
Foil 65