GatesAir Inc. ULXATSC Manual De Usuario
3-8
888-2715-001
2/19/10
WARNING: Disconnect primary power prior to servicing.
Section 3 Diagnostics
Maxiva ULX ATSC Series
User Manual
Table 3-3 Power Supply Faults List
TYPE
Description
Fault Level or
Threshold
Threshold
Transmitte
r Action
r Action
Three
Strike
Strike
Available
in Life
Support
in Life
Support
+VA VDC
FLT
FLT
+15V Voltage Fail-
ure
ure
Value is more than +/-
15% of normal reading
15% of normal reading
WARNING
NO
YES
-VA VDC FLT
-15V Voltage Failure
Value is more than +/-
15% of normal reading
15% of normal reading
WARNING
NO
YES
+5 VDC FLT
+5V Voltage Failure
Value is more than +/-
15% of normal reading
15% of normal reading
WARNING
NO
YES
+3.3 VDC
FLT
FLT
+3.3V Voltage Fail-
ure
ure
WARNING
WARNING
NO
YES
AC Mains
High
High
AC Mains voltage
has exceeded 10%
above nominal
has exceeded 10%
above nominal
WARNING
NO
YES
AC Mains
Low
Low
AC Mains voltage
has exceeded 15%
below nominal
has exceeded 15%
below nominal
Any phase is greater
than +/- 5% of the
average of all three
phases
than +/- 5% of the
average of all three
phases
NO
YES
AC Phase
Imbalance
Imbalance
AC line imbalance
phase to phase
phase to phase
Wrong sequence
WARNING
NO
YES
AC Phase
Sequence
Sequence
Wrong Phase
sequence detected
sequence detected
FUSE OPEN
RF MUTE,
Pump and
Heat
exchanger
turned OFF.
Transmitter
returns to ON
state auto-
matically
when fault
clears.
Pump and
Heat
exchanger
turned OFF.
Transmitter
returns to ON
state auto-
matically
when fault
clears.
NO
YES
MOV Fuse 1
Fuse failed on MOV
board
board
FUSE OPEN
WARNING
NO
YES