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Post 2020 machines signal error conditions with audible or visual codes which are included in the table below.

Error conditions are signaled by blinking of the “information light” next to the power button of the machine and the firmware LED on the logic board.

Info
High priority codes will be accompanied by audible beeping of the same pattern.

Operation Modes

Two general operation modes can be differentiated:

(1) and

(0)

Normal operation

1/

on (1) and

2

off

) continuous blinking.

Normal operation is indicated by:
1/2 second on (1) followed by
1/2 second off (0) continuous blinking.

Error condition is indicated by:
2 second off (0) followed by1/4 second (short) or

info

The pulses in error condition indicate an eight-bit binary error-code with:

Visual feedback of information light and firmware LED only

Code	Meaning
0000 0001	An emergency stop button has been depressed. This is not strictly an error condition.
0000 0010	The pendant is missing or malfunctioning.
0000 0100	The machine is in standby mode.
0000 0101	The x-axis has encountered an encoder limit.
0000 0110	The y-axis has encountered an encoder limit.
0000 0111	The z-axis has encountered an encoder limit.
0000 1000	Stall, x-axis. The motor could not move the stage.
0000 1001	Stall, y-axis.
0000 1010	Stall, z-axis.
0000 1100	Following error fault, x-axis. The following error for the motion control system has exceeded the fault threshold.
0000 1101	Following error fault, y-axis.
0000 1110	Following error fault, z-axis.
0000 1111	Synchronization error fault, x-axis. The linear and rotary encoder differ too much.
0001 0000	Synchronization error fault, y-axis.
0001 0001	Synchronization error fault, z-axis.
0001 0011	Overcurrent, x-axis. The amplifier board has reported that the axis current has exceeded its configured maximum.
0001 0100	Overcurrent, y-axis.
0001 0101	Overcurrent, z-axis.
0001 0110	Servo overtime fault. The regulator failed to be run in a timely manner.
0001 1000	Find volume fault. The find volume process for the x, y, and z-axis failed.
0001 1001	Find range fault. The find range process for the zoom motor failed.
0001 1010	Platen device fault. The platen has encountered an error and is in a faulted state.
0001 1011	Rotary device fault. The rotary has encountered an error and is in a faulted state.

Visual signal of information light and firmware LED in conbination with accoustic signal of the pieze speaker.

Info
High priority codes override low priority codes

Code	Meaning
0010 0000	Encoder failure, x-axis.
0010 0001	Encoder failure, y-axis.
0010 0010	Encoder failure, z-axis.
0010 0100	Encoder reversed, x-axis.
0010 0101	Encoder reversed, y-axis.
0010 0110	Encoder reversed, z-axis.
0010 1100	Runaway, x-axis. The stage moved unexpectedly.
0010 1101	Runaway, y-axis.
0010 1110	Runaway, z-axis.
0011 0000	Fan failure, enclosure.
0011 0001	Amplifier board configuration failure.
0011 0010	Define, Tuning, or Accessory file is successfully read but invalid.
0011 0011	A platen was detected, but communication to it was interrupted.