Genie ZX-135/70 Service Manual page 226

August 2014
Error Source
Turntable Rotate Joystick
Turntable Rotate Buttons on
TCON
Turntable Rotate Speed
Turntable Rotate Flow Valve Not calibrated
Turntable Rotate Clockwise
Valve
Turntable Rotate
Counterclockwise Valve
Operational Turntable Level
Sensor Y Direction
Part No. 218700
Error Type
Value at 5.0 V Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value Too High
Value Too Low
Value at 0 V
Not calibrated Joystick Speed and Direction frozen at
zero and neutral
Just calibrated Initiate one second beep of audible
warning device
Fault Check (both Turntable rotate disabled Display
buttons pressed) message on LCD
Not calibrated Display message on LCD and allow
operation at default speed
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
Fault Check Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value at 5.0 V Primary up and extend disabled, Alarm
sounds
Value Too High
Value Too Low
Value at 0 V
Out of Tolerance
Just calibrated Initiate one second beep of audible
warning device
ZX-135/70
Effects
Check for damaged wiring to the
joystick. Check the connections to
ensure the connector terminals have
not backed out. Substitute a known
good joystick. If necessary replace and
recalibrate joystick.
Calibrate Joystick
Self-clearing (transient)
Check ribbon and connector from
membrane switch. If necessary
replace membrane switch.
Perform auto calibrate procedure.
Perform calibration procedure
Self-clearing (transient)
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Check for shorts to ground in the
wiring. Replace coil if necessary
Check for defective or damaged
wiring. Check for an open or shorted
valve coil. Repair or replace as
necessary.
Check that SCON is grounded
Replace SCON
Self-clearing (transient)
Service Manual
Fault Codes
Recovery Actions
211