TECSYSTEM NT538 Error Codes: List of 16 Codes and Their Meaning

This is the list of fault, error codes the TECSYSTEM manual gives for the NT538 TECSYSTEM NT538. Find your code below and open it for what the manual says about its causes and what to do.

Fault codes from p. 13

Code	What it means	Page
`ECH`	eeprom fault	p. 13
`CAL`	measurement circuit fault	p. 13
`FCD`	quick temp. increase fault	p. 13

Error codes from p. 21

Code	What it means	Page
`1`	- Unsupported function code	p. 21
`2`	- Wrong data address	p. 21
`3`	- Wrong data (for instance length)	p. 21
`CH_1`	Trip ≤ Alarm	p. 21
`CH_2`	Trip ≤ Alarm	p. 21
`CH_3`	Trip ≤ Alarm	p. 21
`CH_4`	Trip ≤ Alarm	p. 21
`CH_5`	Trip ≤ Alarm	p. 21
`CH_6`	Trip ≤ Alarm	p. 21
`CH_7`	Trip ≤ Alarm	p. 21
`CH_8`	Trip ≤ Alarm	p. 21
`FAN_1`	ON ≤ OFF	p. 21
`FAN_2`	ON ≤ OFF	p. 21

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with TECSYSTEM. Found a mistake? Report an error.