Teledyne manual Troubleshooting & Repair, Fault Diagnosis with Warning Messages, M102E/M501 TRS

M102E/M501 TRS TROUBLESHOOTING & REPAIR

(Addendum to M101E Manual - P/N 04740 Rev A)

10. TROUBLESHOOTING & REPAIR

This section includes various troubleshooting and repair information that is either in addition to that included in Chapter 11 of the M101E Manual (P/N 04740 Rev A)

CAUTION

The operations outlined in this chapter must be performed by qualified

maintenance personnel only.Please read Chapter 11 of the M101E Manual (P/N 04740 Rev A) beforeattempting the following trouble shooting or repair procedures

CAUTION

Risk of electrical shock. Some operations need to be carried out with the analyzer open and running. Exercise caution to avoid electrical shocks and electrostatic or mechanical damage to the analyzer. Do not drop tools into the analyzer or leave those after your procedures. Do not shorten or touch electric connections with metallic tools while operating inside the analyzer. Use common sense when operating inside a running analyzer.

10.1.1. Fault Diagnosis with Warning Messages

10.1.1.1. M102E Warning Messages

The warning messages for the M102E are identical to those included in Section 11.1.1 of the M101E Manual (P/N 04740 Rev A) except that there is no CONV TEMP WARNING.

10.1.1.2. M501-TRS Error Codes

The following error codes may appear on the temperature controller display of the M501-TRS

Table 10-1: Test Functions - Possible Causes for Out-Of-Range Values

ERROR	CAUSE		NOTES
MESSAGE
Thermocouple burnt out or wiring between		Controller will automatically turn off the
Thermocouple and Temperature Controller is open.		converter heater and allow the TRS converter
Te controller process value exceeds the upper input		to cool down.
range set point by 5% of full scale.		•	Check the thermocouple for shorts or
When the controller process value is below the			opens.
		•	Check the condition of the wiring between
lower input range set point by 5% of full scale.
			the thermocouple and the controller.
When either the Upper or lower limit of the		Controller will turn off heating element until
input range	is set improperly (e.g. Upper
		error is corrected.
limit is set to lower value than lower limit).
Undefined fault in controller		Turn off M501-TRS. Call Teledyne Instruments
		Customer Service.

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