Flowserve TRG 5-11 - Manual (Page 16)

6
Operation
TRG 5-11, TRG 5-41
Troubleshooting
Fault-finding list for malfunctions
Operation in combination with control unit TRS 5-7 in steam plants and (pressurized) hot water
installations to TRD 40, TRG 60, TRD 604, EN 95, EN 953 or according to national regulations
as well as in flue gas lines and industrial furnaces.
Note
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Should malfunctions occur during the commissioning procedure refer to section
“Troubleshooting” on page 6 in order to find, analyse and eliminate the fault.
Normal operation – temperature alarm
Fault: The temperature switch gives an alarm during normal operation.
Remedy: Check whether the cable leading to the thermocouple is damaged.
Remedy: Check the thermocouple for correct voltage readings. (Basic reference voltages according
to EN 60584 for thermocouples type K (Ni-Cr/Ni-Al)). If the voltage readings are incorrect or
there is no voltage replace the sensing element.
Fault: The temperature switch gives an alarm during normal operation.
Remedy: Refer to the fault-finding list of the temperature switch TRS 5-7.
If faults occur that are not listed above or cannot be corrected, please contact our service centre or
authorized agency in your country.