Carrier AQUASNAP 30RB060-390 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 59

PREFIX SUFFIX
DESCRIPTION
CODE CODE
Loss of Communication with
.A1
Compressor Board A1
Loss of Communication with
.A2
Compressor Board A2
Loss of Communication with
.A3
Compressor Board A3
Loss of Communication with
.A4
Compressor Board A4
Loss of Communication with
.B1
Compressor Board B1
Loss of Communication with
.B2
Compressor Board B2
Loss of Communication with
.B3
Compressor Board B3
Loss of Communication with
.B4
Compressor Board B4
Loss of Communication with
.C1
Compressor Board C1
Loss of Communication with
.C2
Compressor Board C2
Loss of Communication with
.C3
Compressor Board C3
Loss of Communication with
.C4
Compressor Board C4
Loss of Communication with
.E1
EXV Board Number 1
Loss of Communication with
.E2
EXV Board Number 2
Co
Loss of Communication with
.F1
Fan Board Number 1
Loss of Communication with
.F2
Fan Board Number 2
Loss of Communication with
.F3
Fan Board Number 3
Loss of Communication with
.O1
Free Cooling Board
Loss of Communication with
.O2
Electrical Heaters Board
Loss of Communication with
.O3
Energy Management Board
Loss of Communication with
.O4
Heat Reclaim Board
EMM — Energy Management Module
EWT — Entering Water Temperature
EXV — Electronic Expansion Valve
HR — Heat Reclaim
LWT — Leaving Water Temperature
MOP — Maximum Operating Pressure
Table 41 — Alarm Codes (cont)
REASON FOR ALARM
No communication with
SPM
No communication with
EXV1
No communication with
EXV2
No communication with
Fan Board 1
No communication with
Fan Board 2
No communication with
Fan Board 3
No communication with
Free Cooling Board
No communication with
Electrical Heaters Board
No communication with
Energy Management
Board
No communication with
Heat Reclaim Board
LEGEND
OAT — Outdoor Air Temperature
PTC — Positive Temperature Coefficient
SCT — Saturated Condensing Temperature
SPM — Scroll Protection Module
SST — Saturated Suction Temperature
59
ACTION TAKEN RESET
BY CONTROL TYPE
Affected com-
pressor is Automatic
shut down
Circuit A & B shut
down or not
allowed to start
Automatic
Circuit C shut
down or not
allowed to start
Circuit A & B shut
down or not
allowed to start
(060-150,
210-250)
Circuit A shut
down or not
allowed to start
(160-190,
275-300)
Automatic
Circuit B shut
down or not
allowed to start
(160-190,
275-300)
Circuit C shut
down or not
allowed to start
(210-300)
None Automatic
Disable or not
allow EMM
Functions
(3-Step and
4-20 mA Demand
Limit, 4-20 mA Automatic
and Space
Temperature
Reset, Occu-
pancy Override,
and Ice Build)
Unit shall return
to the standard air Automatic
cooled mode
PROBABLE CAUSE
Wrong SPM address,
wrong unit configuration,
wiring error, power loss to
SPM.
Wrong module address,
wrong unit configuration,
wiring error, power loss to
module
Wrong module address,
wrong unit configuration,
wiring error, power loss to
module
Configuration error.
Wrong module address,
wrong unit configuration,
wiring error, power loss to
module
Wrong module address,
wrong unit configuration,
wiring error, power loss to
module