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Troubleshooting
64
333587D
V4H_
AMZ
Alarm
High Voltage H_
The incoming
power is above
minimum
acceptable limit
Incoming line to
line voltage has
increased above
265V
For 3 phase with neutral have qualified
electrician verify neutral wire.
V6H_
AMZ
Alarm
Wiring Error H_
The wiring is
invalided from
what the AMZ
is expecting
Wrong wiring of the
power source to
the AMZ
Verify incoming power is wired to the
disconnect correctly per the manual.
WBD_
Driver
Alarm
Encoder
Hardware P_
Encoder or hall
sensor
disconnected
or failed to
commutate
motor
Encoder
disconnected or
faulty
Disconnect pump from AC power. Verify
encoder cable is properly connected. If so,
replace encoder.
WMC_ Driver
Alarm
Control Board P_ Control board
reset due to an
exception in
software
Invalid software
state
Cycle the power to the pump to reset the
driver software.
Software bug
Update software to the latest available on
help.graco.com.
WMH_ Driver
Alarm
Control Board
Off P_
The power to
the control
board has been
turned off
Disconnected
switches
Turn on the disconnected switches.
WMG0 Gateway
Alarm
Gateway Error
Detected
Gateway error
detected;
includes any
error not
covered by a
more specific
error
---
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WMN_ Driver
Alarm
Software
Mismatch P_
Software
mismatch
detected in the
motor control
board
Hot board and cold
board have
different software
versions
Update the driver control board software to
the latest available on help.graco.com.
WNG0 Gateway
Alarm
Gateway Map
Error
Missing or
invalid gateway
map
Missing or invalid
gateway map
Install map in gateway.
WSC_
Driver
Deviation
Encoder
Calibration P_
Encoder
calibration
information not
found
Encoder not
calibrated before or
calibration
information deleted
Perform encoder calibration through the
setup screens of the ADM.
WSU0
ADM
Alarm
USB
Configuration
Error
USB
configuration
file not
detected
USB configuration
file not loaded or
was deleted
Update software to the latest available on
help.graco.com.
WSN_
Driver
Alarm
Invalided Styled
Style flow rate
setpoint was
invalided when
trying to run
The style flow rate
setpoint was zero
Place a desired flow rate in the style
definitions page.
Error Location Type
Error Name
Error
Description Cause
Solution