
8
Cyrus PSU-XR
User Instructions
Troubleshooting guide
If your PSU-XR is not operating properly, disconnect the
power and check carefully all connections.
If you are in any doubt, consult your retailer.
Standby/Status indicator doesn’t light
If the Standby/
Status indicator
doesn’t light mains
power may not be
connected.
Check that the connections to
mains power are secure at both
the back panel connector and the
mains outlet.
If the mains plug is fused, check
the fuse and if necessary replace
with the correct specification 5A
fuse.
Standby/Status indicator flashes
The Standby/Status
indicator flashes
when the PSU-XR is
first connected to
mains power.
This is normal and does not
indicate a fault or a requirement
to update firmware. The
Standby/Status indicator flashes
a code to display the current
firmware version when first
connected to mains power.
Standby/Status indicator remains red
The Standby/Status
indicator remains red
when the connected
Cyrus product is
switched on.
Check that the connectors
at each end of the power
interconnect are fully engaged at
both ends and that the latches
are tightened.
The firmware of the PSU-XR and/
or the connected Cyrus product
may require an update. Refer to
the ‘Firmware’ section for more
details to check the firmware
version and update if necessary.
Standby/Status indicator lights blue
This indicates that an error has been identified within
the PSU-XR. A PSU-XR error message will also be
displayed on connected Cyrus products which have a
front panel display screen.
The PSU-XR may
have overheated.
If the PSU-XR is very hot to touch,
disconnect mains power and
leave it to cool for 20 minutes
before re-connecting. The error
indication should clear.
A functional error
has been identified
within the PSU-XR.
Disconnect mains power and
reconnect after 10 seconds.
Switch on the connected Cyrus
product and re-check for the
error indication. If the blue
indicator persists, return the
PSU-XR to your Cyrus retailer to
arrange for service/repair.
If a fault condition still remains, return the PSU-XR to your
Cyrus appointed retailer or an authorised Service Centre.
Specifications
Power Supply
Voltage ......................
220-230V Products
.........
220V-240V
115V Products ................
110V-120V
Power Consumption
Standby
...................................................................... <0.5W
Maximum ................................................................... 750W
Safety compliance
............................................................CE
EMC (230V)
.......................................................................CE
EMC (115V)
.....................................................................FCC
Enclosure
Size (HxWxD)
...
75 x 215 x 355 mm (2.95” x 8.46” x 13.98”)
Weight ............................................................
7.7kg (17lbs)
Material ....................................................... Die cast chassis
Output voltage
Low voltage supply ....
Standby mode
...................... +5V DC
Operational
........................... +5V DC
Fixed voltage supply ..
Standby mode
..............................0V
Operational
......................... ±24V DC
Variable supply
..........
Standby mode
..............................0V
Regulated...............±10V to ±45V DC
Unregulated ...........±45V or ±56V DC
Cyrus reserves the right to change all specifications without notice.
E &OE