Emerson E2 Manual do Operador descarregar pdf (Página 29)

4.2 Status Code Table

4.3 Startup Codes

Upon initial startup or immediately following a manual

reset the Intelligent Store™ Discus® module will dis-

play a flashing sequence of symbols. This is a normal

part of the power-up or reset process. The first char-

acter “

” is displayed so the user can verify that all

segments of the display are illuminated and function-

ing properly. The second character “

” is displayed

just before the subnet and node address of the mod-

ule are shown. The subnet and node address infor-

mation is displayed as follows:

The characters

0 0 1 n 1 5

correspond to a node

address of 1 and a subnet address of 15.

The module

displays this information once again so the user can

confirm the address.

4.4 Status Code Troubleshooting

The seven segment display (LED) on the front of the

Module gives the service technician continuous

feedback regarding the status of the compressor. Five

NORMAL operating conditions and twelve FAULT

conditions can be indicated. The sections below

describe the status codes, and provide basic fault tree

diagnostics for troubleshooting.

Status Code

-STEADY-

Description

Index of

Details

Normal - Off 4.4.1

Normal - Running 4.4.2

Normal - Demand Cooling Injecting 4.4.3

Low Suction Pressure Cutout 4.4.4

30 Second Reset

-FLASHING-

Low Oil Pressure Warning 4.4.5

Low Oil Pressure Lockout 4.4.5

Motor Protection Trip 4.4.6

Welded Contactor Warning 4.4.7

Compressor Module Supply Voltage Trip 4.4.8

Compressor Module Failure Lockout 4.4.9

Discharge Pressure Trip 4.4.10

Discharge Temperature Lockout 4.4.11

Loss of Communication Mode 4.4.12

Disabled by Rack Controller 4.4.13

Phase Loss Trip / Lockout 4.4.14

No 3-Phase Compressor Power Trip 4.4.15

No Code

No Power to Module 4.4.16

Unknown Code

4.4.17

AE8-1337 R1

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 70 71

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