Genie ZX-135/70 Service Manual page 222

August 2014
Error Source
Primary Boom Up/Down
Flow Valve(s) (#1 and #2)
Primary Boom
Extend/Retract Flow Valve
Operational Primary Boom
Angle Sensor
Part No. 218700
Error Type
Not calibrated Normal function except threshold for
one or the other direction is zero.
Display message on LCD
Just calibrated Initiate one second beep of audible
warning device
Value Too High Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value Too Low
Not calibrated Normal function except threshold for
one or the other direction is zero.
Display message on LCD
Just calibrated Initiate one second beep of audible
warning device
Value Too High Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value Too Low
Value at 5.0 V Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Value Too High Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Value Too Low
Value at 0 V Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Out of Tolerance Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Not calibrated Primary up only active from TCON,
activate alarm
Just calibrated Initiate one second beep of audible
warning device
ZX-135/70
Effects
Calibrate Thresholds
Self-clearing (transient)
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Calibrate Thresholds
Self-clearing (transient)
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Check for an open ground circuit going
to the sensor
Sensor is out of range. Check sensor
and actuating pin for proper
installation. Repair or replace sensor
and recalibrate.
Check for 5.0 VDC at the sensor.
Check for damaged wiring going to the
sensor. Check that the % .0 VDC LED
is lit on the TCON board. Repair or
replace as necessary
Recalibrate sensor
Perform calibration procedure per
service manual
Self-clearing (transient)
Service Manual
Fault Codes
Recovery Actions
207