Malfunctions – Flowserve URB 2 User Manual
Page 39
Advertising
39
Malfunctions
– continued –
Status messages
Note
The system message “T MAX exceeded” is given when the ambient temperature is
excessively high. Note that the temperature of the boiler is not monitored.
If faults occur that are not listed above or cannot be corrected, please contact our service centre or
authorized agency in your country.
Control unit
TRV
540
TRS
540
NRS
142
NRG
1642
NRS
240
NRR
240
NRG
2640
LRR
140
LRG
1x4x
No communication
X
X
X
X
X
X
X
X
X
Collective bit channel and 2
X
T MAX exceeded
X
X
X
X
X
X
X
X
X
Plausibility error
X
X
Electrode lost
X
X
X
X
Electrode defective
X
PT 000 defective
X
Sensor defective
X
A/D converter
X
Limiter
TRV
540
NRS
14x
NRG
1x4x
Faulty communication
X
No communication
X
X
X
Collective bit,
self-checking routine
X
X
X
T MAX exceeded
X
X
Advertising