Xylem HYDROVAR HV 4.150 / 4.185 / 4.220 - Manual (Page 92)

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11 Failure messages
If the HYDROVAR is stopped by an error (warning), the HYDROVAR as well as
the motor remain under voltage.
Before any work is carried out on the electrical or mechanical part of the
system, the HYDROVAR must be disconnected from power supply.
Difference between warnings and errors:
• Warnings are shown on the display and even by the red failure led. If a warning is
active and the cause is not remedied within 20 seconds an error will be shown and the
HYDROVAR stops.
However it is possible that the HYDROVAR keeps running (depends to the different
warnings).
• Errors are indicated on the HYDROVAR display and by the red failure LED placed on
the control panel. In case of an error the connected motor is stopped immediately. All
errors are shown in plain text and saved in the error memory including date and time
when the failure appeared.
The following information describes each error which can occur on the HYDROVAR (even
on the MASTER /SINGLE and the BASIC Inverter). Additionally the possible
countermeasures to reset these errors are described.
• Please note that an automatic error-reset can be activated in SUBMENU ERRORS to
reset an occurred failure automatically for 5 times. For more information about this
function see parameter ERROR-RESET [0615].
• All error signals and warnings can be indicated via the two status-relays on
terminals X5/1-2-3 or X5/4-5-6 depending on the configuration.
(How to program see parameter CONF REL 1 [0715] and CONF REL 2 [0720])