SIGRIST StackGuard, Instruction Manual

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Instruction Manual StackGuard
38 10266E/1
6 Troubleshooting
6.1 Narrowing down the malfunction
To narrow down the cause of a malfunction, work your way through this table
step by step. If the corrective measures do not produce the desired result,
please consult Customer Service (
→ Section 6.3).
Perceived malfunction Corrective measures
No display
-
Make sure the main switch is in the on position
and that mains voltage is applied
(
→ Section 3.8)
-
Check the fuses in the SIREL ( → Reference
Handbook – extended troubleshooting)
Fault message in the
display
-
Analyze the fault message ( → Section 6.2)
The reading appears to be
false
-
Make sure the medium in the product pipe
meets the operating conditions (
→ Section 1.5)
-
Make sure the servicing duties have been
carried out in accordance with the servicing
schedule (
→ Section 5.1)
-
Carry out a recalibration of the photometer
(
→ Section 5.2)
6.2 Fault messages
If a malfunction occurs during operation, an appropriate message will appear in
the display to help you narrow down the fault and its cause. Malfunctions are
divided into the following categories:
Warnings draw your attention to an unusual condition. The installation remains
operable and continues to deliver correct readings. You should correct the
cause of the warning message at the next opportunity.
A fault is defined as a malfunction that makes it impossible to obtain correct
readings. The current output switches to 0 mA.
In the case of a prioritized fault, the cause of the fault is extremely serious.
The current output switches to 0 mA.
Warnings (W)
Faults (F)
Prio faults (P)