Control modules – Carrier 17EX User Manual
Page 96
Control Modules
Turn the controller power off before servicing the con-
trols. This ensures safety and prevents damage to the
controller.
The Processor/Sensor Input/Output module (PSIO), 8-input
(Options) modules, Starter Management Module (SMM),
4-in/2-out module, and the Local Interface Device (LID) mod-
ule perform continuous diagnostic evaluations of the hard-
ware to determine its condition. Proper operation of all modules
is indicated by LEDs (light-emitting diodes) located on the
side of the LID (Fig. 49); on the top horizontal surface of the
PSIO (Fig. 50), SMM, and 8-input modules; and on the 4-in/
2-out module.
RED LEDs
PSIO Module — If the LED is blinking continuously at a
2-second rate, it is indicating proper operation. If it is lit con-
tinuously it indicates a problem requiring replacement of the
module. Off continuously indicates that the power should be
checked. If the red LED blinks 3 times per second, a soft-
ware error has been discovered and the module must be re-
placed. If there is no input power, check the fuses and the
circuit breaker. If the fuses are good, check for a shorted
secondary of transformer, or if power is present to the mod-
ule, replace the module.
4-In/2-Out Module — If the LED is blinking, this module is
operating properly. A steady red light indicates a module fail-
ure. Replace the 4-In/2-Out module.
GREEN LEDs — There are 1 or 2 green LEDs on each type
of module. These LEDs indicate communication status be-
tween different parts of the controller and the network mod-
ules as follows:
LID Module
Upper LED — Communication with CCN network, if present;
blinks when communication occurs.
Lower LED — Communication with PSIO module; must blink
every 5 to 8 seconds when the LID default screen is
displayed.
PSIO Module
Green LED Closest to Communications Connection — Com-
munication with SMM and 8-input module; must blink
continuously.
Other Green LED — Communication with LID; must blink
every 3 to 5 seconds.
8-Input Modules and SMM — Communication with PSIO
module; blinks continuously.
4-In/2-Out Module — Communication with PSIO module;
blinks continuously.
Notes on Module Operation
1. The chiller operator monitors and modifies configura-
tions in the microprocessor through the 4 softkeys and
the LID. Communication with the LID and the PSIO is
accomplished through the CCN bus (COMM1). The com-
munication between the PSIO, SMM, both 8-input mod-
ules, and the 4-in/2-out module is accomplished through
the sensor bus (COMM3), which is a 3-wire cable. On
the sensor bus terminal strips, Terminal 1 of the PSIO
module is connected to Terminal 1 of each of the other
modules. Terminals 2 and 3 are connected in the same
manner, except for the connection to the 4-in/2-out mod-
ule. See Fig. 51.
2. If a green LED is on continuously, check the communi-
cation wiring. If a green LED is off, check the red LED
operation. If the red LED is normal, check the module
address switches (Fig. 52-54). Proper addresses are set as
shown below:
MODULE
ADDRESS
S1
S2
SMM (Starter Management Module)
3
2
8-input Options Module 1
6
4
8-input Options Module 2
7
2
MODULE
SWITCH
1
2
3
4
5
6
7
8
4-In/2-Out Module
O
O
O
O
C
O
C
O
O — Open
C — Closed
NOTE: Address switches on this module can be at any position. Ad-
dresses are only changed through the LID screen for CCN.
Fig. 49 — LID Module (Rear View) and
LED Locations
Fig. 50 — PSIO Module LED Locations
96
- 42S
- 30GT
- 48SS060
- 50ME
- 38AH024-034
- ZC
- 30GA
- COMFORTLINK 48A2
- 48HE003---006
- 33ZCSECTRM
- 19XRV
- MODU-PAC 50DF
- 17DA
- SINGLE PACKAGED ELECTRIC COOLING UNITS 50GS
- 48JZ (N) 024-060
- 30GX080-176
- 50DL
- 50GL-A
- NP034-074
- 40GXQ
- 30XA080-500
- 39E
- 40KMQ------301
- 38AE
- 48AW
- 38GXQ
- 48ES---A
- 48GL
- 48GH
- 40QA024-060
- TJF004
- 39LD
- 48DL
- 48/50TC04---28
- 50EJ
- 50BA
- 50BB
- 50BB
- 50BJ
- 30H
- 48HJD005-007
- 50ZP
- 50DP016
- 50LJ008-014
- OMNIZONE 50XJ064-104
- 48SX024-048
- 38APS025-065
- 48TM028
- 38BA
- 50LJ
- 07D
- SYSTEM PILOT 33PILOT-01
- 50HG014-028
- 38AUZ
- 50SS018-060
- 50ZH024-060
- 38CKC036 Air
- 51FP
- ROOMTOP 50AH024-096
- WEATHERMAKER 48/50AJ
- 38AF
- 38AK024-044
- 5F
- 50DF034
- WEATHERMASTER 36TE
- 09DK054-084
- 50ZPA
- 48/50PD05
- 40QNC
- MOTORMASTER 48/50P2
- 51CV/GY
- 52F
- 52F
- 38GNA
- 38AKS013-024
- 48TC*D08
- 38AE016
- SEER 48ES
- 50TJ016-028
- MINIMUM LOAD CONTROL ACCESSORY 30XA080-500
- 48/50A020-060
- 48KLA
- 48KLA
- 50GS
- 40RU
- 40RU
- 50PG03-07
- Compressor and Condensing Unit
- PREMIERLINK 33CSPREMLK
- 48/50PG C03-14
- 38GS
- PC 111
- 48EL
- 48PM16---28
- 48VL-A
- 48XL
- 50CD/CH
- 48FK
- OMNIZONE 50XCA06-24
- 48KH
- 00EFN900003000A
- 48DH
- 48GS(N)-2SB
- T--298
- 38ED
- 38TXA
- 38SE
- Packaged Terminal s & Heat Pumps 52P
- WEATHERMAKER 48AJ
- 50AH
- 06D
- WEATHERMAKER ZONEKIT2ZCAR
- 51QC/QG
- 48TC**16
- 30HR
- 50HJ004
- 38CQ
- 38CQ
- 52C
- P
- 50TC
- MODULINE 37HS
- 50EE
- 50MH
- 30HH
- 38EB
- 38AKS
- 38TRA
- 38CKW
- 39L
- 38CKC
- 50DP
- 040-420
- 38HDR018-060
- 38AKS028-044
- 48VT(N)
- 38GP
- 48/50P030-100
- 51CM
- 52C
- 38AH044-084
- 06E
- 50SX
- 50VL---A
- LIGHT COMMERCIAL CONDENSING UNITS 38HDL018-060
- 50DP020
- 38EC
- 50XP
- 48HJ004-014
- 38JB
- REFRIGERANT R-410A
- 42 SERIES
- 42GW
- 48N
- 48SS018-060
- 48TJF008-012
- 48HDT
- 38TMA
- 38QH
- 40RMQ008-028
- 09BB
- 38GF
- T-326
- 30GX080-265
- MINIMUM LOAD CONTROL ACCESSORY 30RB060-390
- 38HDL018-060
- 49004DP109
- 324423-751
- WEATHERMASTER 48/50Z030-105
- 48TM016-028
- 38CKB
- 09DK054-094
- 48TF004-007
- 38EN
- 38HD
- 38CKC(Q)
- 09DC
- 38VH
- 39E/ER
- 48ES
- RTU OPEN 11-808-427-01
- 38AU
- 07E
- 38GK
- 5H
- 5H
- 19DG
- 50AH024-060
- 42VMC
- 42XQ_42XQA
- 50HJ015
- 19 Series
- 1995 Room Air
- 73Y