User`s manual

Troubleshooting Error code list
11 – 86
6030
UNIT LAY. DIFF.
– In a redundant system, the module configura-
tion differs between the control system and
standby system.
– The network module mode setting differs
between the two systems.
(This can be detected from the control system or
standby system of the redundant system.)
 Collateral information

Common Information: Module No.
 Individual Information: —
 Diagnostic Timing
At power ON/At reset/At tracking cable connec-
tion/At operation mode change
– Match the module configurations of the con-
trol system and standby system.
– In the redundant setting of the network
parameter dialog box, match the mode setting
of System B to that of System A.
OFF Flicker Stop QnPRH
6035
UNIT LAY. DIFF.
In a redundant system, the CPU module model
name differs between the control system and
standby system.
(This can be detected from the standby system
of the redundant system.)
 Collateral information

Common Information: —
 Individual Information: —
 Diagnostic Timing
At power ON/At reset/At tracking cable connec-
tion/At operation mode change
Match the model names of the control system
and standby system.
OFF Flicker Stop QnPRH
6036
UNIT LAY. DIFF.
A difference in the remote I/O configuration of
the MELSECNET/H multiplexed remote I/O net-
work between the control system and standby
system of a redundant system was detected.
(This can be detected from the control system or
standby system of the redundant system.)
 Collateral information

Common Information: Module No.
 Individual Information: —
 Diagnostic Timing
Always
Check the network cables of the MELSECNET/H
multiplexed remote I/O network for disconnec-
tion.
OFF Flicker Stop QnPRH
6040
CARD TYPE DIFF.
In a redundant system, the memory card instal-
lation status (installed/not installed) differs
between the control system and standby system.
 Collateral information

Common Information: —
 Individual Information: —
 Diagnostic Timing
At power ON/At reset
Match the memory card installation statuses
(installed/not installed) of the control system and
standby system.
OFF Flicker Stop QnPRH
6041
CARD TYPE DIFF.
In a redundant system, the memory card type
differs between the control system and standby
system.
 Collateral information

Common Information: —
 Individual Information: —
 Diagnostic Timing
At power ON/At reset
Match the memory card types of the control sys-
tem and standby system.
OFF Flicker Stop QnPRH
6050
CAN'T EXE. MODE.
The function inexecutable in the debug mode or
operation mode (backup/separate mode) was
executed.
(This can be detected from the control system or
standby system of the redundant system.)
 Collateral information

Common Information: —
 Individual Information: —
 Diagnostic Timing
Always
Execute the function in the debug mode or oper-
ation mode (backup/separate mode).
ON ON Continue QnPRH
Error
code
Error contents and cause Corrective action
LED status
CPU
status
Corre-
sponding
CPU
RUN ERR.
Tab. 11-8: Error code list (6000 to 6999) for PLC CPUs of MELSEC System Q