43
Table 12 —
Comfort
Link
t
Alarm Codes (cont)
ALARM
OR
ALERT
NUMBER
DESCRIPTION
ACTION TAKEN BY
CONTROL
RESET
METHOD
PROBABLE CAUSE
A154
Serial EEPROM Hardware Failure
Unit Shutdown
Automatic
Software failure or MBB failure
T155
Serial EEPROM Storage Failure Error
Unit operation errors
Automatic
Software failure or MBB failure
A156
Critical Serial EEPROM Storage Fail Error
Unit Shutdown
Automatic
Software failure or MBB failure
A157
A/D Hardware Failure
Unit Shutdown
Automatic
Software failure or MBB failure
A163
Circuit A Down Due to Failure
Shutdown Circuit A
Manual
Circuit has 3 strikes or has been locked out by another alarm
Service Test --- Circuit A Down Due to Failure
A164
Circuit B Down Due to Failure
Shutdown Circuit B
Manual
Circuit has 3 strikes or has been locked out by another alarm
Service Test --- Circuit B Down Due to Failure
A165
Circuit C Down Due to Failure
Shutdown Circuit C
Manual
Circuit has 3 strikes or has been locked out by another alarm
Service Test --- Circuit C Down Due to Failure
T173
Loss of communication with the Energy Manage-
ment Module
No action
Automatic
MBB Software failure, reload software or replace board
T179
Loss of communication with the Economizer Con-
trol Board
No economizer operation
Automatic
Communication wiring problem with ECB or faulty MBB or ECB
T180
Loss of communication with the Economizer Actu-
ator
No economizer operation
Automatic
Communication wiring problem with actuator.
A200
Linkage Timeout Error --- Comm Failure
No Linkage Operation fall
back to local SPT
Automatic
Received a table write from Linkage before, now not receiving
any linkage commands
A404
Fire Shutdown
Unit Shutdown
Automatic
Smoke detected by smoke detector
T408
Dirty Air Filter
Alert Generated
Automatic
Dirty Filter
T409
Fan Status Switch ON, Contactor OFF
If IDF.F = Yes, then Unit
Shutdown
If IDF.F =
YES, then
Manual,
otherwise
automatic
Bad Fan Status Switch. Configuration incorrect.
Fan Status Switch OFF, Contactor ON
If IDF.F = Yes, then Unit
Shutdown
If IDF.F =
YES, then
Manual,
otherwise
automatic
Tripped Circuit Breaker. Broken belt. Bad indoor fan motor.
Configuration incorrect. Bad fan status switch.
T410
R--- W1 Jumper Not Installed in Space Temp Mode
Unable to run heat
Automatic
Missing jumper wire
R--- W1 Jumper Must Be Installed to Run Heat In
Service Test
Unable to Test Heat Outputs
Automatic
Missing jumper wire
T411
Thermostat Y2 Input Activated without Y1 Activated
Run unit as if Y2 and Y1 are
On
Automatic
Bad Thermostat or Thermostat Wiring
T412
Thermostat W2 Input Activated without W1 Activ-
ated
Run unit as if W2 and W1 are
On
Automatic
Bad Thermostat or Thermostat Wiring
T413
Thermostat Y and W Inputs Activated Simultan-
eously
Run unit in mode activated
first
Automatic
Bad Thermostat or Thermostat Wiring
T414
Economizer Damper Actuator Out of Calibration
Alert Generated
Automatic
Calibrate economizer (E.CAL). If problem still exist then de-
termine what is limiting economizer rotation.
Economizer Damper Actuator Torque Above Load
Limit
Alert Generated
Automatic
Actuator load too high. Check damper load.
Economizer Damper Actuator Hunting Excessively
Alert Generated
Automatic
Damper position changing too quickly.
Economizer Damper Stuck or Jammed
Alert Generated
Automatic
No economizer motion. Check damper blades, gears, and
actuator.
Economizer Damper Actuator Mechanical Failure
Alert Generated
Automatic
Check actuator and replace if necessary.
Economizer Damper Actuator Direction Switch
Wrong
Alert Generated
Automatic
Actuator direction control switch (CCW, CW) wrong.
T415
IAQ Input Out of Range
No IAQ Operations
Automatic
Bad sensor, bad wiring, or sensor configured incorrectly.
T416
OAQ Input Out of Range
No OAQ Operations
Automatic
Bad sensor, bad wiring, or sensor configured incorrectly.
LEGEND
ECB
--- Economizer Control Board
IGC
--- Integrated Gas Controller
MBB
--- Main Base Board
OAT
--- Outdoor---Air Thermistor
48/
50P
G
and
P
M
Содержание 48/50PG Series
Страница 32: ...32 C07009 Fig 20 Air Baffle Dimensions 48 50PG03 16 48 50PG and PM...
Страница 33: ...33 C08077 Fig 21 Air Baffle Dimensions 48 50PG20 28 and 48 50PM16 28 48 50PG and PM...
Страница 58: ...58 C08549 Fig 28 48PG03 16 Control Wiring Schematic 48 50PG and PM...
Страница 59: ...59 C08550 Fig 29 50PG03 16 Control Wiring Schematic 48 50PG and PM...
Страница 60: ...60 C08551 Fig 30 Typical 48 50PG03 16 Power Wiring Schematic and Legend 48 50PG16 460 3 60 Shown 48 50PG and PM...
Страница 64: ...64 C08471 Fig 34 Typical 48PG and PM16 28 Control Schematic 48PM16 28 Shown 48 50PG and PM...
Страница 66: ...66 C08557 Fig 36 Typical 50PG and PM16 28 Control Schematic 50PG20 28 Shown 48 50PG and PM...
Страница 67: ...67 C08064 Fig 37 Typical 50PG and PM16 28 with Humidi MiZert Control Schematic 50PM16 28 Shown 48 50PG and PM...
Страница 68: ...68 C08558 Fig 38 Typical 48 50PG and PM16 28 Power Schematic 48 50PM16 28 Shown 48 50PG and PM...
Страница 72: ...72 C08565 Fig 42 Typical 48 50PG20 28 Component Arrangement 48 50PG20 24 Shown 48 50PG and PM...
Страница 73: ...73 C08067 Fig 43 48 50PM16 28 Component Arrangement 48 50PG and PM...
Страница 74: ...74 C08562 Fig 44 48 50PM16 28 with Humidi MiZert Component Arrangement 48 50PG and PM...
Страница 208: ...208 48 50PG and PM...