Endress+Hauser Silometer FMC 672 Z, Инструкция по установке и эксплуатации

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9 Trouble-Shooting
When the instructions in the manual have been followed correctly, the system must now
function. Should this not be the case, the Silometer FMC 672 Z/677 Z transmitter provides
a number of aids for setting up and operating the module correctly. This Chapter contains
the following:
•
Trouble-shooting tables, with error messages, meaning and response
•
Description of simulated operating mode for service and commissioning
purposes
•
Instructions for commissioning replacement electronic inserts, probes and
transmitters.
•
Repairs
9.1 Trouble-shooting tables
Fault condition If the FMC 672 Z/677 Z transmitter recognizes a fault condition:
•
the red fault LED lights and the alarm relay trips.
•
the output current reverts to the status selected in field V0H7/V4H7, i.e. to
-10%, +110% of the selected measuring range or last measured value (hold) -
see Chapter 6.
•
the limit value relays assume fail-safe mode as specified in fields V1H3 and
V5H3 - see Chapter 7.
A diagnostic message is given in Field V9H0:
•
If the cause of the fault has been rectified, the last diagnostic message is
retained in V9H1.
•
This message can be cleared by pressing the »E« key.
If the power fails, all relays de-energise.
Warnings If the FMC 672 Z/677 Z transmitter has detected a warning:
•
the red fault LED flashes but the Silometer continues to measure
•
the alarm relay remains energised
•
the appropriate message is to be found in V9H0.
The error messages are listed in Table 9.1 in the order of their priority. If one fault is on
display and a fault of higher priority occurs, the latter will appear at V9H0. The preceding
message will be found in V9H1.
Table 9.2, trouble-shooting, indicates possible configuration errors for the Silometer
FMC 672 Z/677 Z.
Silometer FMC 672 Z/677 Z Chapter 9: Trouble-Shooting
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