Troubleshooting - Emerson SolaHD SDU AC B-Series User Manual

SDU AC-B Series

A272-353 Rev. 1 2/2021

!

When the UPS is installed in a Class I, Division 2 Groups A B C D or Class I Zone 2 II C hazardous location,

adhere to the following:

Warning — Explosion Hazard — Do not disconnect the equipment while the circuit

is live or unless the area is known to be free of ignitable concentrations.

Warning — Explosion Hazard – Do not connect or disconnect the battery unless the area is known to be free

of ignitable concentrations.

Warning — Explosion Hazard — Do not open the unit. Do not substitute components. Do not replace fuse.

Trouble

UPS nonresponsive

(No alarm and no

light)

The UPS is always on

battery mode

Actual backup time

cannot be achieved

Fault code displayed

14 |

P a g e

Possible Cause

UPS is powered off

Battery is defective

UPS fault

Input may not be properly

connected.

Input fuse is open

Battery voltage is too low

Overload

Battery defect

UPS fault or charger

failure

Overload

UPS short-circuit

Solution

Press ON/OFF button for TWO (2) seconds.

Ensure the Power Lock feature is disabled.

Replace the battery.

Contact Tech support.

Check the input connection.

Before reconnecting equipment, please verify

that the load matches the UPS capability

specified and output has short circuit

protection. Contact Tech support.

Charge the battery at least eight (8) hours.

Remove some unnecessary loads. Before

reconnecting equipment, please verify that the

load matches the UPS capability specified in

spec.

Replace the battery.

Contact Tech support.

Remove some unnecessary loads. Before

reconnecting equipment, please verify that

the load matches the UPS capability

specified in spec.

Contact Tech support.