
APPENDIX
B–63445EN/01
A. ALARM LIST
189
Message Contents and solution
ER20 SYMBOL/COMMENT
DATA ERROR
Editing the symbol and comment was interrupted by the power off or by the switch to the
CNC screen by the function key etc.
(solution) Please edit symbol and comment once on PMC.
Or, please input symbol and comment again.
ER21 MESSAGE DATA ERROR Editing the message data was interrupted by the power off or the switch to the CNC
screen by the function key etc.
(solution) Please edit message data once on PMC.
Or, please input message data again.
ER22 PROGRAM NOTHING There is no sequence program
ER23 PLEASE TURN OFF POW-
ER
There is a change in setting LADDER MAX AREA SIZE etc.
(solution) Please restart the system to make the change effective.
ER32 NO I/O DEVICE Any DI/DO unit of I/O Unit or the connection unit etc. is not connected.
(solution) When I/O Link is used:
Please confirm whether the DI/DO units turning on. Or please confirm
the connection of the cable.
ER33 SLC ERROR The LSI for I/O Link is defective.
(solution) Please exchange the module of PMC engine.
ER34 SLC ERROR(xx) The communication with the DI/DO units of the xx group failed.
(solution) Please confirm the connection of the cable connected to the DI/DO
units of the xx group.
Please confirm whether the DI/DO units turned on earlier than Power Mate.
Or, please exchange the module of PMC engine on the DI/DO
units of the xx group
ER35 TOO MUCH OUTPUT
DATA IN GROUP(xx)
The number of the output data in the xx group exceeded the max. The data, which ex-
ceed 32 bytes, become ineffective.
(solution) Please refer to the following for the number of the data for each group.
“FANUC I/O Unit–MODEL A connecting and maintenance manual”
(B–61813E)
“FANUC I/O Unit–MODEL B connecting manual”(B–62163E)
ER36 TOO MUCH INPUT DATA
IN GROUP(xx)
The number of the input data in the xx group exceeded the max. The data, which exceed
32 bytes, become ineffective.
(solution) Please refer to the following for the number of the data for each group.
“FANUC I/O Unit–MODEL A connecting and maintenance manual”
(B–61813E)
“FANUC I/O Unit–MODEL B connecting manual”(B–62163E)
ER38 MAX SETTING OUTPUT
DATA OVER(xx)
The assignment data for a group exceeds 128 bytes.
(The assignment data of output side of xx group or later become ineffective.)
(solution) Please reduce the assignment data to 128 bytes or less for the number of
the output data of each group.
ER39 MAX SETTING INPUT
DATA OVER(xx)
The assignment data for a group exceeds 128 bytes.
(The assignment data of input side of xx group or later become infective.)
(Solution) Please reduce the assignment data to 128 bytes or less for the number of
the input data of each goup.
WN01 LADDER MAX SIZE
ERROR
The MAX LADDER AREA SIZE in the system parameter is illegal.
(solution) Set the correct value to MAX LADDER AREA SIZE and restart the system.
WN03 ABORT NC–WINDOW/
EXIN
LADDER was stopped while CNC and PMC were communicating.
The functional instruction WINDR, WINDW, EXIN, DISPB, and etc. may not work nor-
mally.
(solution) When restarting the system, this alarm will be released. Execute the
sequence program(Press RUN key) after confirming whether there is a
problem in LADDER or not.
WN07 LADDER SP ERROR
(STACK)
When functional instruction CALL(SUB65) or CALLU(SUB66) was executed, the stack
of the LADDER overflowed.
(solution) Please reduce the nesting of the subprogram to 8 or less.
*When ER00 to ER23 occur, sequence program is not available.