Adjusting Engine Speed; Voltmeter/Ammeter Error Displays - Miller Bobcat 200 Air Pak Owner's Manual

11-7. Adjusting Engine Speed

NOTICE − Engine speed is not adjustable. See an engine factory authorized service agent.

11-8. Voltmeter/Ammeter Error Displays

Use the Voltmeter/Ammeter error displays to diagnose and correct fault conditions.
.
When an error is displayed, normally weld output has stopped but generator power output may be okay.
.
To reset error displays, stop unit and then restart.
Error Display Summary File Text
S/W ERR Software Version Mismatch Or In-
valid
ID ERR Invalid Product Id
LOW FUEL Low Fuel Error
COMM ERR Can Communications Error
WELD TEMP Weld Module Over Temp
WELD SHRT Weld Module Output Shorted
WELD FAN Weld Module Fan Tach Error
WELD PRI Weld Module Primary Thermistor
Error
WELD SEC Weld Module Secondary Thermistor
Error
WELD PWRF Weld Module Power Fail
WELD BST Weld Module Boost Error
WELD OV Weld Module Over Voltage
WELD UV Weld Module Under Voltage
WELD COMM Weld Module Communication Error Weld module is not communicating with
WELD STCK Weld Module Stuck Electrode
GUN CON Weld Module Gun Connect Error
GUN REM Weld Module Gun Remove Error
WELD PRUP Weld Module Power Up Error
WELD BOOT Weld Module Error Launching
Application
AC OP Air Compressor Over Pressure
AC TEMP Air Compressor Over Temperature
ACTM OPEN Air Compressor Thermistor Open
ACTM SHRT Air Compressor Thermistor Shorted Air compressor thermistor reading above
.
A complete Parts List is available at www.MillerWelds.com
Different software versions among PC
boards.
Invalid ID resistor in harness.
Bobcat models only.
CAN communication timeout between UI
and control board.
Internal temperature of welder has exceed-
ed the maximum limit.
CV process has not cleared a short in 200
ms.
The fan is running too slow or is damaged.
The primary circuit thermistor is reading too
high or too low for a valid temperature.
The secondary circuit thermistor is reading
too high or too low for a valid temperature.
Primary side power failed.
The primary boost has not successfully
been established.
Primary voltage is above 310 volts.
Primary voltage is below 90 volts.
control board, or no power to weld module
(CB1 tripped).
Stick or Tungsten electrode has become
stuck in weld puddle and turned output off.
A process that requires a welding gun to be
attached is selected, but the gun is not at-
tached.
A process that does not require a welding
gun to be attached is selected, but the gun
is attached.
Power up timeout:. longer than 7 seconds to
power up.
Weld module is communicating but the ap-
plication is corrupt.
Tank pressure over 190 psi.
Air compressor oil temp over 248°F
(120°C).
Air compressor thermistor reading below
valid temperature.
valid temperature.
Description
Reload software.
Have factory authorized service agent
check ID resistor in harness.
Fill fuel tank.
Have factory authorized service agent
check CAN signals from UI.
Wait for unit to cool down.
Manually clear short between electrode
and work.
Clear obstruction from fan. Reconnect
the fan.
Have factory authorized service agent
check thermistor connection.
Have factory authorized service agent
check thermistor connection.
Cycle power to clear error.
Cycle power to clear error.
Cycle power to clear error.
Cycle power to clear error.
Check CB1. Check for generator power.
Have factory authorized service agent
check power to PC1, and connections
between PC1 and PC3.
Remove Stick or Tungsten electrode
from workpiece, and output will turn
back on after about one second.
Connect gun or change process.
Disconnect gun or change process.
Cycle power to clear error.
Perform software update.
Reduce tank pressure to 125 psi to
clear error.
Error clears when oil temp is less than
248°F (120°C).
Have factory authorized service agent
check thermistor connection.
Have factory authorized service agent
check thermistor connection.
WELD TEMP
Display Example
Remedy
OM-283762 Page 59