6.17 Fault finding
WARNING
Only personnel specially trained to perform electrical maintenance should
attempt troubleshooting inside electrical enclosures. These enclosures contain
hazardous voltages and are not operator areas.
Before performing any maintenance or trouble shooting it is recommended that you follow
the lockout/tagout procedures according to the Control of Hazardous Energy
(Lockout/Tagout) in Volume 29 of the Code of Federal Regulation (29CFR) Section 1910.147
for the customer supply. (See Section 6.18 if the disconnect box accessory is installed).
6.17.1 Warning and alarm message fault finding
When a warning or alarm message is generated, you can display the message and (for some
of the messages) two lines of text (the advisory message) which identify possible checks you
can make to identify the cause of the fault and to rectify the fault.
The first line of a message specifies the fault condition (warning or alarm) and shows the
error number. Error numbers are of the form PFF, PPFF or PPPFF, where:
•
P, PP, or PPP specifies the fault parameter associated with the alarm or warning: refer to
Table 6-4. Note that Table 6-4 defines all of the possible sources; some of these may not be
fitted to your iH system.
•
FF specifies the fault type: refer to Table 6-5.
Table 6-1 shows all of the warning messages, the corresponding lines of advisory text (if any)
and the meaning of the error/recommended actions. The warning messages are given in
error number order in this table.
Table 6-2 shows all of the alarm messages, the corresponding lines of advisory text (if any)
and the meaning of the error/recommended actions. The alarm messages are given in error
number order in this table.
Note that Tables 6-1 and 6-2 show all of the possible warning and alarm messages, however
some of these messages may not be displayed: this depends on how you have adjusted the
setpoints.
6.17.2 Other fault finding
Fault messages will be shown on the Pump Display Terminal to identify that the action you
have selected cannot be carried out. The messages which can be displayed and their
meanings are shown in Table 6-3.
iH Dry Pumping Systems 6-17
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