61 Operation & Maintenance Manual
331/331E/334 Excavator
SERVICE CODES
The LCD (Liquid Crystal Display) on the Right Instrument
Panel can change from engine hours to SERVICE CODES
(See at right.). These CODES help your dealership analyze
monitored functions of your Bobcat excavator. Some
service procedures must be performed ONLY BY
QUALIFIED BOBCAT SERVICE PERSONNEL.
The Prefix, in the left two columns, followed by a Suffix, in
the right two columns, will indicate a Function Error.
EXAMPLE: 02–17
Press and hold LIGHTS Button (Item 10) [A] (Page 4) for
three seconds to view SERVICE CODES in the LCD (Item
12) [A] (Page 4). If more than one SERVICE CODE is
present, the codes will scroll on the LCD
02 Hydraulic Charge Filter
03 Battery Voltage
04 Engine Oil Pressure
05 Hydraulic Charge Pressure
06 Engine Speed
07 Hydraulic Oil Temperature
08 Engine Coolant Temperature
09 Fuel Level
12 Front Auxiliary PWM Switch (Proportional Control)
13 Fuel Shutoff Solenoid – Secondary
14 Fuel Shutoff Solenoid – Primary
20 Two Speed
21 Glow Plugs
22 Starter Output
26 Solenoid for Front Female Coupler
27 Solenoid for Front Male Coupler
28 Diverter Valve Solenoid
31 Recovery Mode Failure (Loss of Power)
33 Constant Data (Stored Machine Information)
36 Attachment Control Device (ACD) Controller
60 Secondary Thumb Switch
62 Load Moment Monitoring
63 Workgroup / Travel Console Sensor
64 Accessory Relay
65 Workgroup / Travel Lockout Solenoid
80 ACD Output A
82 ACD Output C
83 ACD Output D
84 ACD Output E
85 ACD Output F
86 ACD Output G
87 ACD Output H
PREFIX FUNCTION
02 Error ON (Detects ON when should be OFF)
03 Error OFF (Detects OFF when should be ON)
04 In Error
05 Short To Battery (Detects 12V & should not be)
06 Short To Ground
07 Open Circuit (Not grounded)
09 Low
10 High
11 Extremely High
14 Extremely Low
15 In Shutdown
16 Not Connected
17 Plugged
18 Out Of Range
21 Out Of Range High
(Above detectable range of sensor)
22 Out Of Range Low
(Below detectable range of sensor)
23 Not Calibrated
28 Failure
SUFFIX ERROR DESCRIPTION
Multiple SERVICE CODES and / or Abnormal
Symptoms can be caused by corroded or loose ground
connection. Flashing instrument panel lights, alarm
beeping, front & rear lights flashing, low battery voltage,
loose battery connectors, could also indicate a poor
ground. Check all grounds before performing other
diagnostics.
SERVICE CODES
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