Samsung MST-S3W Manuel d'utilisateur télécharger pdf (Page 103)

E-103

Trouble Shooting

Problem Check Explanation/Solution

The information of

indoor units/ERVs is

not displayed.

Has the tracking been

successfully executed?

Tracking should be executed to

get the information of all devices

belonging to DMS.

Is the DMS connected to the

centralized controller correctly?

Check the communication cable

between the DMS and the

centralized controller. Be careful to

deal with the communication cable

because it has polarity. Check the

centralized controller is turned on.

Is the centralized controller

connected to the interface

module correctly?

Check the power/communication

cable between the centralized

controller and the interface module.

Indoor units are out of

control.

Is LAN cable properly

connected?

Check the LAN cable and the LAN

indicator.

Are the indoor units connected

to the DMS correctly?

Check the power/RS 485

communication cable.

Is PEAK power management

mode in operation?

In PEAK power management

mode, ‘Turning on the indoor unit’

or ‘Changing operation mode to

Cool/Auto/Dry’ will be restricted.

Peak power control is

out of order.

Does the DMS communication

have any problem?

Check the DMS communicates with

the interface module. It is

impossible to control peak power

if the DMS does not function

properly.

Did you assign the indoor unit

in a group before PEAK power

management alarm level has

turned on?

If you have not assigned the indoor

unit in a group, indoor unit will not

be included in PEAK power

management even the alarm level

has turned on.

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