40
Table 11. CORE Control System Alarm and Event Codes
SELECTED ALARMS (MARKED WITH * IN TAbLE RESULT IN THE CLOSURE OF THE SERVICE RELAY CONTACTS (DO1).
ALARM
CODE
DISPLAY MESSAGE
EVENT ACTION
37*
STRIKE3 FRZ STAT S53 OPEN COMP3
•
Compressor is locked out. Check freezestat, air flow, charge, coil, air filter and
outside air temperature.
•
Number of occurrences is set using Parameter 81 (max freeze sat occ). Default is 3
occurrences.
38
FRZ STAT S95 OPEN COMP4
•
Compressor is locked out. Check freezestat, air flow, charge, coil, air filter and
outside air temperature.
39*
STRIKE3 FRZ STAT S95 OPEN COMP4
•
Compressor is locked out. Check freezestat, air flow, charge, coil, air filter and
outside air temperature.
•
Number of occurrences is set using Parameter 81 (max freeze sat occ). Default is 3
occurrences.
40
RETURN AIR OVER HEAT LIMIT
Heat is above set point. Check space conditions and sensors.
41
RETURN AIR UNDER COOL LIMIT
Cool is below set point. Check space conditions and sensors.
42*
BLOWER MOTOR OVERLOAD
•
System will set an alarm if S42 witch is detected as open. System will automatically
clear alarm once S42 switch is detected closed. System will resume operation
(servicing the demands), after the Error Timed OFF Delay has expired following S42
or S135 clear.
•
Check external motor overloads.
43
STRIKE3 UNIT SHUTDOWN S42 OR
S135
S42/ S135 Motor Overload multiple times.
44*
GAS VALVE ON NO DEMAND GV1
Unit is off. Gas valve 1 has power, but no demand. Check gas valve and wiring.
45*
GAS VALVE ON NO DEMAND GV2
Unit is off. Gas valve 2 has power, but no demand. Check gas valve and wiring.
46
NO 24VAC POWER ON A60
No 24VAC relay power on A60 (E1) board, K9-5 input. (A60)
47
NO 24VAC POWER ON A58
No 24VAC relay power on A58 (G1) board, TB35-1 input. (A58)
48
NO 24VAC POWER ON A61
No 24VAC relay power on A61(HP1) board, TB34-1 input. (A61)
49
NO 24VAC RELAY POWER ON C3 A59
Third and fourth compressors are off. Alarm automatically clears once 24VAC is present.
The CORE Unit Controller will resume operation once the ERROR TIME OFF DELAY is
completed. Parameter 110 is used to set the reference delay. Factory delay default is 300
seconds.
50
PRIMARY HEAT1 LIMIT OPEN S10
Heat section 1 primary gas heat limit switch is open. Check air flow, air filter, limit switch
and wiring.
51*
STRIKE3 PRIMARY HEAT1 LIMIT OPEN
S10
Heat section 1 primary gas heat limit switch is open. Check air flow, air filter, limit switch
and wiring. Number of occurrences is reached.
52
SECONDARY HEAT1 LIMIT OPEN S21
Heat section 1 secondary gas heat limit switch is open. Check air flow, air filter, limit switch
and wiring.
53*
STRIKE3 SECONDARY HEAT1 LIMIT
OPEN S21
Heat section 1 secondary gas heat limit switch is open. Check air flow, air filter, limit switch
and wiring. Number of occurrences is reached.
54
HEAT1 S15 LIMIT OR ROLLOUT OPEN
Heat section 1 primary electric heat limit switch is open. Check air flow, air filter, limit
switch and wiring.
55*
STRIKE3 HEAT1 S15 LIMIT OR
ROLLOUT OPEN
Heat section 1 flame roll out burner 1 switch is open. Check gas roll out switch S47.
56
HEAT1 CAI SW S18
Check heat section 1 combustion air motor and proof switch.
57*
STRIKE3 HEAT1 CAI SW S18
Check heat section 1 combustion air motor and proof switch. Number of occurrences is
reached.
58*
HEAT1 NO PROOF GV1
Check heat section 1 ignition control, flame proof, gas valve 1 and gas supply.
59*
NO FLAME PROOF AFTER TRIALS
GV1
Check heat section 1 ignition control, flame proof, gas valve 1 and gas supply. Number of
occurrences is reached.
60
PRIMARY HEAT2 LIMIT OPEN S99
Check heat section 2 primary burner limit switch to see if it is open. Check air flow, limit
switch and wiring.
61*
STRIKE3 PRIMARY HEAT2 LIMIT OPEN
S99
Check heat section 2 primary burner limit switch to see if it is open. Check air flow, limit
switch and wiring. Number of occurrences is reached.
62
SECONDARY HEAT2 LIMIT OPEN S100
Heat section 2 secondary heat limit switch is open. Check air flow, limit switch and wiring.
63*
STRIKE3 SEC HEAT2 LIMIT OPEN
S100
Heat section 2 secondary heat limit switch is open. Check air flow, limit switch and wiring.
Number of occurrences is reached.
64
HEAT2 ROLL OUT OPEN
Flames have been detected outside the gas heater’s fire box.
65*
STRIKE3 HEAT2 ROLL OUT OPEN
Check roll out sensor and gas supply.
66
HEAT2 CAI SW
Check heat section 2 combustion air motor and proof switch.
Содержание Core Unit Controller
Страница 75: ...75 Table 15 J297 TSTAT Inputs and Service Relays Table 16 J298 Analog Sensors Table 17 J378 Duct Sensors ...
Страница 77: ...77 Table 22 J383 Ultra Evaporators Table 23 J384 Economizer ...
Страница 80: ...80 Table 32 J393 Gas Heat Table 33 J393 Electric Heat Table 34 J394 ReHeat Table 35 J388 C Box ...
Страница 81: ...81 Table 36 J389 C Box Table 37 J395 Power In Table 38 J358 MODUS Vs COMPR Table 39 J413 Modbus ...
Страница 85: ...85 Table 54 J406 A12 M4 Control J406 A12 Table 55 J374 Versions 1 through 4 ...
Страница 86: ...86 Table 56 J10 GV1 S18 J10 S18 Table 57 J408 GV1 S47 J408 Table 58 J412 MODUS 2 Table 59 J411 MODUS 1 ...
Страница 91: ...91 ...
