Genie Z-60/34 Service Manual page 146

Section 5 • Fault Codes
FAULT CODES
Code Problem
CHT Higher Than
223
Expected (1)
CHT Higher Than
224
Expected (2)
231 MAP High Pressure
232
MAP Low Voltage
BP High Pressure
234
BP Low Pressure
235
Crank Sync Noise
242
Never Crank Synced
243
At Start
5 - 10
Cause
Coolant temperature at the
cylinder head is 240° F.
Engine cooling system is
malfunctioning and
overheating the engine OR
sensor wires and/or
connections open or shorted
OR sensor is faulty OR
coolant level is low.
Coolant temperature at the
cylinder head is 250° F.
Engine cooling system is
malfunctioning and
overheating the engine OR
sensor wires and/or
connections open or shorted
OR sensor is faulty OR
coolant level is low.
Open or shorted wiring and/or
connections to MAP sensor
OR sensor is faulty.
Open or shorted wiring and/or
connections to MAP sensor
OR sensor is faulty.
MAP sensor is faulty OR
ECM is faulty.
MAP sensor is faulty OR
ECM is faulty.
Crankshaft position sensor
wiring and/or connections
open or shorted OR there is a
poor system ground
connection OR sensor is
faulty.
Crankshaft position sensor
wiring and/or connections
open or shorted OR there is a
poor system ground
connection OR sensor is
faulty.
Genie Z-60/34
November 2003
Solution
Repair engine cooling
system problems OR repair
open or shorted wiring to
sensor OR replace sensor
OR fill engine coolant level to
specification.
Repair engine cooling
system problems OR repair
open or shorted wiring to
sensor OR replace sensor
OR fill engine coolant level to
specification.
Repair wiring and/or
connections to sensor OR
replace MAP sensor.
Repair wiring and/or
connections to sensor OR
replace MAP sensor.
Replace MAP sensor OR
replace the ECM.
Replace MAP sensor OR
replace the ECM.
Be sure system ground
connections are in place and
secure OR repair wiring
and/or connections to sensor
OR replace sensor.
Be sure system ground
connections are in place and
secure OR repair wiring
and/or connections to sensor
OR replace sensor.
Part No. 75861
REV A