UPS471-02-00 PW9000DPA User Manual UK Dated 06/08/14
15
2: General Description
2.5.2 Module mimic leds
The mimic diagram leds indicate the status of the general UPS power flow and change colour between Green and Red
(and OFF) to indicate the present UPS operating conditions.
LED Indication summary
* The
ALARM
LED is a visual indication of an internal or external alarm condition. When activated, it is accompanied by an
audible alarm which can be cancelled by pressing the
RESET
key.
2.5.3 Power Management Display (PMD)
The 2 x 20 character LCD Power Management Display (PMD) simplifies communication with the UPS power module and
also provides monitoring information.
The menu driven LCD enables the access to:
• Access the ‘Event register’.
• Monitoring the input and output voltage, current, frequency & power.
• Monitoring battery run time.
• Perform commands such as module
START
and
STOP
, Load transfer between
INVERTER
to
BYPASS
.
• Access the module’s Diagnostics (service mode).
• Carry out module adjustments and testing (service mode).
Status screens
Note:
The ‘Unit’ number on the right hand side of the LCD indicates the cabinet number (in a multi-cabinet system)
together with the UPS power module (slot) number within the cabinet. The maximum number of Module units is 10 and the
module slot number can vary from 1 to 5. The definition of a Module’s position is achieved in the menu Service Set-Up.
For example:
Unit:05/3
indicates power module number 3 in system Cabinet number 5.
Indicator
Indicator Status
Interpretation
LINE 1
GREEN
RED
Input mains available
Input mains not available
LINE 2
GREEN
RED
Bypass mains bypass OK
Bypass mains bypass not OK or not present
ALARM*
OFF
Flashing RED + buzzer
RED
No alarm condition
Alarm condition
Alarm condition present (audio has been reset)
INVERTER
GREEN
RED
OFF
Load on inverter
Inverter fault
Inverter not operating
BY-PASS
GREEN
OFF
Load on bypass
Bypass not operating
BATTERY
GREEN
RED
Flashing RED
Flashing GREEN
Battery OK
Battery faulty or discharged
Battery fuses blown
On Battery
DESCRIPTION
LCD-DISPLAY
1. Load is protected by UPS power Load is supplied by inverter (Normal
Operation).
LOAD
PROTECTED
Unit:01/1
2. Load is not protected by UPS
Load is supplied by mains power (load on bypass).
LOAD
NOT PROTECTED
Unit:01/1
3. Load supply completely interrupted. UPS has been switched off by “ON/
OFF” buttons.
LOAD OFF
SUPPLY FAILURE
Unit:01/1
4. UPS/module is not supplying load. The output switch is open
LOAD DISCONNECTED
PARALLEL SWITCH OPEN
Unit:01/1