Operating Instructions

Warning Codes
Digital Keypad RT-KEYPAD
301 | 443
ID No.
Display on LCD Keypad
Warning Name
Description
101
InrCOM time-out
(ictn)
Internal communication time-out
Action and Reset
Action level
When Pr.09-31= (-1) – (-10) (no -9) and the internal communication between Master and Slave is
abnormal, the ictn warning occurs.
Action time
Immediately act
Warning setting parameter
N/A
Reset method
Auto-reset
Reset condition
The warning automatically clears when the communication is back to normal condition
Record
N/A
Cause
Corrective Actions
Malfunction caused by interference
Verify the wiring and grounding of the communication circuit. Separate the communication circuit
from the main circuit, or wire in 90 degree for effective anti-interference performance.
Different communication setting from the
upper unit
Check if the setting for Pr.09-02 is the same as the setting for the upper unit
Disconnection or bad connection of the
cable
Check the cable and replace it if necessary.