TH1.7 head crash EHI error #44835

TH1.7 "head crash" during startup of GMCE output device (EHI error #44835)


Product		Trendsetter 400/800 III (GMCE) Trendsetter AL (GMCE) Trendsetter CL Trendsetter NEWS (GMCE) TH1.7 thermal imaging head

Machines affected		All GMCE Trendsetter output devices with TH1.7 thermal imaging heads

Component		GMCE firmware

Error		`44835: EHI: all retries failed on chnl 1`

Symptoms		When the output device is starting up, the following error message is reported: `* HEAD CRASH DETECTED * C HIM: Fatal head fault occurred: 44835 *** Unsolicited Message 44835 Fatal [THC:all retries failed on chnl 1]`

Cause		During startup, certain signals read from the head are misinterpreted by the GMCE product firmware as indicating a crash of the TH1.7 thermal imaging head.

Solution		You can safely ignore this error message. The head has not actually crashed, but certain signals read from the head are misinterpreted by the product firmware as indicating a crash.

Technical contact(s)		Frank van Eerdt
Submitted by		Frank van Eerdt
Date submitted		05 Jul 2007