26
+ GND
GND CA0
ALARM CODE 22 :
MAIN CYLINDER (BOTTOM SIDE) READING
HIGHER THAN THE MAXIMUM VALUE
NOTE:
Main Unit Processor identifies below and over the signal range a minimum zone and a
maximum zone in order to check the sensor.
Verify on the Main
PC board that between
1(+) e 2(GND) there is a voltage
of +15Vdc
TRUE
Measure on the Main
PC board the voltage
on
2(GND) e 3(CA0)
Value >5Vdc
Value <5Vdc
The Main pc board
is faulty.Proceed
with the
replacement (*)
Broken Pressure
Transducer.Proceed
With the
Replacement
FALSE
Disconnect wires on
1(+) e 2(GND) and
Verify a voltage of +15Vdc
TRUE
FALSE
The Main pc board
is faulty.Proceed
with the
replacement (*)
Problems on the
Connection
Cable.Probably
short circuited.
Check the cable
Broken Pressure
Transducer.Proceed
With the
Replacement
TRUE
(*) REFER ALSO TO EPROM and EEPROM MEMORIES REPLACEMENT - page 32
