Appendix 3. Trouble Shooting
App 3-6
(Reason 3) Communication status is bad or communication is not available.
(Action) When controlling the device of PLC/controller by the key, in case communication status is bad or communication is not
available, the key reacts slowly or doesn’t react.
When making screen data, if the user uses the following inner device of the numeric tag, the user can check the communication
status.
(a) CH1 : error count - COM1_COUNT(916), error code - COM1_ERROR(917)
(b) CH2 : error count - COM2_COUNT(918), error code - COM2_ERROR(919)
Error code Description
H0001 The length of RX frame exceeds 256 byte.
H0010 BCC error
H0020 There is error in the RX data.
H0040 The RX data can’t be converted into HEX value.
H0080 The RX frame is not complete.
H6020 There is no response.
After taking the measure as described above, if there is no key reaction, contact our custom service center.
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