Robur GA ACF60-00, Installation, Use And Maintenance Manual

Page: 41 / 96

Section END USER
Ed. 04/2012
37
2.5 WARNING AND ERROR CODES
If the ACF does not function correctly, before contacting a Robur authorized
Technical Service Centre, perform the following simple checks:
•
Check that the control switch (see “COMMISSIONING (AND SHUTDOWN) OF THE
ACF” on page 29) is in the ON position;
•
Check that the main power switch is in the ON position, or rather the position where
the contacts are closed;
•
Check that the gas valve is open.
•
Check what appears on the display of the Electronic Circuit Board;
If the chiller still does not function properly after these checks, of if it is off and won’t start,
do not perform any other operations.
Record the error codes shown on the ACF display and contact a Robur Authorized
Technical Service Centre by calling the toll free number provided with the ACF or by
calling Robur S.p.A. directly at +39 035 888 111.
Displayed Codes
The electronic circuit board monitors the running of the ACF through probes and sensors.
The electronic circuit board display shows the operational machine codes, which can be of
two types:
a) WARNING event (identified by the green flashing letter
“
U
”
).
b) ERROR event (identified by the green flashing letter “ E ”).
c) In the case of a WARNING event ( “
U
” ), the flashing letter “
U
” will appear on the
display followed by a number which corresponds to the nature of the event; when the
warning event has been corrected, the warning reported on the circuit board display
will be reset.
d) In the case of an ERROR event (“
E
”), the flashing letter “
E
” will appear on the display
followed by a number which corresponds to the nature of the event; The ERRORS do
not automatically reset and must be manually reset from menu 2 (see “RESETTING”
on page 35) or by cutting electrical power to the ACF (for more information see the
“TABLE OF OPERATING CODES“ on page 83.
For a list of these codes with their brief description and resetting procedure, go to the
TABLE OF OPERATING CODES on page 83.
These warning and error codes are flashing on the display. no other data is
displayed until resetting has occurred.