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Table 65. Prodigy 2.0 Alarm and Event Codes
Selected alarms (marked with * in table result in the closure of the service relay contacts (DO1).
EVENT ACTION
DISPLAY MESSAGE
ALARM
CODE
134
ADVANCED AIRFLOW LOW SUPPLY CFM
Advanced Airflow enabled RTU indicates airflow target cannot be achieved. Check
cause of airflow reduction such as dirty filter, changes in duct work, etc
135*
ADVANCED AIRFLOW NO AIRFLOW
Blower RPM is too low as indicates by blower status. This means that the blower is
not working. Repair blower and reset M3 unit controller.
136*
ADVANCED AIRFLOW OUTSIDE AIR
DAMPER/ECON MECHANICAL FAULT
Outdoor air damper stuck or actuator problem.
137
ADVANCED AIRFLOW LOW OUTDOOR
AIRFLOW
Outdoor airflow is too low so the building is not getting the designed outdoor airflow
based on IAQ.
138
RESERVED
139
ADVANCED AIRFLOW OUTDOOR AIRFLOW
TOO HIGH
Ventilation CFM is too high so the RTU is wasting energy.
140
ADVANCED AIRFLOW CFM UNATTAINABLE
TARGET TOO LOW
Verify the MSAV blower settings and set the CM targets below set CFM. The alarm
value will be displayed on the M3 unit controller screen.
141
ADVANCED AIRFLOW CFM UNATTAINABLE
TARGET TOO HIGH
142
RESERVED
143*
ADVANCED AIRFLOW DAMPER PRESSURE
ERROR.
Outdoor air differential pressure sensor value not in valid range. Might be tubing
problem or high return duct resistance.
144 - 145 RESERVED
146
SERVICE LOGGED
Service event logged.
147*
OA DAMPER ERROR
During free cooling damper is not modulating.
148*
ADVANCED AIRFLOW CONFIG ERROR
Economizer should be installed and blower should be ECM type.
149*
OUTDOOR AIR DIFF PRESSURE SENSOR
ERROR
Check outdoor air damper differential pressure sensor and wiring.
150*
NOT ECONOMIZING WHEN OUTDOOR AIR
IS SUITABLE
May be due to the damper motor being unplugged or disconnected.
151*
ECONOMIZING WHEN OUTDOOR AIR IS
NOT SUITABLE
This may be due to damper motor being blocked or stuck open and therefore not
closing.
152 - 164
RESERVED
165
ECONOMIZER NOT CONFIGURED
Configuration ID 1, position 2 is set to U. Select applicable option using setup/install
wizard.
166
CAI PRESSURE SWITCH STUCK CLOSED
GV1
This alarm will occur when the combustion air pressure switch (S18) is detected as
closed immediately after the furnace demand relay is energized and before the com
bustion air blower is energized. Gas valve 1.
167
CAI PRESSURE SWITCH STUCK CLOSED
GV2
This alarm will occur when the combustion air pressure switch (S45) is detected as
closed immediately after the furnace demand relay is energized and before the com
bustion air blower is energized. Gas valve 2.
168*
COMBUSTION AIR SW NOT OPEN
LOCKOUT GV1
System locked out due to S45 switch closed and a specific number occurrences
detected based on parameter 72 (MAX CAI NO PRF OCC) setting during a single
cycle.
169*
COMBUSTION AIR SW NOT OPEN
LOCKOUT GV2
170
POWER EXHAUST NOT CONFIGURED
Configuration ID 1, position 3 is set as U (unconfigured).
171
POWER EXHAUST CONFIGURATION
ERROR
Configuration ID 1, position 4 is set correctly. if position 3 is configured then position
4 must be also.
172
RESERVED
173
AIR FLOW SWITCH CONFIG ERROR
Verify that Configuration ID 2, position 1 is set correctly.
174
ZONE (ROOM) BYPASS DAMPER
CONFIGURATION ERROR
Room bypass damper operation is only compatible with cab blowers. prodigy will
only allow zone bypass unit operation if configuration ID1 is set to installed for units
with B or T type blowers. alarm will automatically clear when configuration conflict is
corrected.
175
INVALID LOAD SHEDDING INPUT
CONFIGURATION
Alarm will occur if load shedding input is shared with other optional devices or inputs,
for example - global, blower overload, drain pan overflow, etc.
