# SafeMove IO issue

**URL:** <https://tech-community.robotics.abb.com/t/safemove-io-issue/4762>\
**Category:** Robot Controller\
**Created:** [March 31, 2012, 7:58pm UTC](https://tech-community.robotics.abb.com/t/safemove-io-issue/4762 "2012-03-31T19:58:11Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ar15](https://avatars.discourse-cdn.com/v4/letter/a/5e9695/32.png) [@ar15](https://tech-community.robotics.abb.com/u/ar15)\
**Post date:** [March 31, 2012, 7:58pm UTC](https://tech-community.robotics.abb.com/t/safemove-io-issue/4762/1 "2012-03-31T19:58:11Z")

</div>

Hi,

I have an alarm on power up with Input 5 on the safe move board this is a inverse input.

My signals from the plc are fine anyone encounter this?

i delete this signal from the safemove config and no error on power up

 

Description

I/O Error on Safety Controller (SC) 1 I/O 5 Type 1

Type 1: Input

Type 2: Output

 

Consequenses

 

Probable causes

- Wrong connection to I/O terminals on SC

- Two channel I/O mismatch

 

Actions

- Check SC cabling.

- Check SC health.

Warm start Robot Controller, after performing recommended actions.