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JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
8
ALARM CODE DESCRIPTION
01
COMPRESSOR SYSTEM 1 (COMPRESSORS 1A, 1B) LOCKED OUT ON HIGH PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 2-HOUR WINDOW.
02
COMPRESSOR SYSTEM 1 (COMPRESSORS 1A, 1B) LOCKED OUT ON HIGH PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 2-HOUR WINDOW.
03
COMPRESSOR SYSTEM 2 (COMPRESSORS 2A, 2B) LOCKED OUT ON HIGH PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 2-HOUR WINDOW.
04
COMPRESSOR SYSTEM 2 (COMPRESSORS 2A, 2B) LOCKED OUT ON HIGH PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 2-HOUR WINDOW.
05
COMPRESSOR SYSTEM 1 (COMPRESSORS 1A, 1B) LOCKED OUT ON LOW PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
06
COMPRESSOR SYSTEM 1 (COMPRESSORS 1A, 1B) LOCKED OUT ON LOW PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
07
COMPRESSOR SYSTEM 2 (COMPRESSORS 2A, 2B) LOCKED OUT ON LOW PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
08
COMPRESSOR SYSTEM 2 (COMPRESSORS 2A, 2B) LOCKED OUT ON LOW PRESSURE CONTROL. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
09
COMPRESSOR SYSTEM 1A LOCKED OUT ON COMPRESSOR MOTOR PROTECTION MODULE. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
10
COMPRESSOR SYSTEM 1B LOCKED OUT ON COMPRESSOR MOTOR PROTECTION MODULE. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
11
COMPRESSOR SYSTEM 2A LOCKED OUT ON COMPRESSOR MOTOR PROTECTION MODULE. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
12
COMPRESSOR SYSTEM 2B LOCKED OUT ON COMPRESSOR MOTOR PROTECTION MODULE. THE CIRCUIT
OPENED THREE TIMES WITHIN A 1-HOUR WINDOW.
13
FIRST STAGE HEATING IS LOCKED OUT ON LIMIT SWITCH TRIPS. THE CIRCUIT OPENED THREE TIMES WITHIN
A 1-HOUR WINDOW.
14
SECOND STAGE HEATING IS LOCKED OUT ON LIMIT SWITCH TRIPS. THE CIRCUIT OPENED THREE TIMES
WITHIN A 1-HOUR WINDOW.
15
THIRD STAGE HEATING IS LOCKED OUT ON LIMIT SWITCH TRIPS. THE CIRCUIT OPENED THREE TIMES WITHIN
A 1-HOUR WINDOW.
16
FIRST STAGE OF HEATING IS LOCKED OUT BECAUSE THE IGNITION CONTROL BOARD FAILED TO TURN
ON THE GAS VALVE AFTER 5 MINUTES OF OPERATION OR THE GAS VALVE HAS VOLTAGE ON IT AND THE
CONTROL IS NOT CALLING FOR THE STAGE OF HEATING.
17
SECOND STAGE OF HEATING IS LOCKED OUT BECAUSE THE IGNITION CONTROL BOARD FAILED TO TURN
ON THE GAS VALVE AFTER 5 MINUTES OF OPERATION OR THE GAS VALVE HAS VOLTAGE ON IT AND THE
CONTROL IS NOT CALLING FOR THE STAGE OF HEATING.
18
THIRD STAGE OF HEATING IS LOCKED OUT BECAUSE THE IGNITION CONTROL BOARD FAILED TO TURN
ON THE GAS VALVE AFTER 5 MINUTES OF OPERATION OR THE GAS VALVE HAS VOLTAGE ON IT AND THE
CONTROL IS NOT CALLING FOR THE STAGE OF HEATING.
19 SPACE TEMPERATURE SENSOR HAS FAILED OPEN OR SHORTED. THE DISPLAY WILL INDICATE –40.0.
20 SUPPLY AIR TEMPERATURE SENSOR HAS FAILED OPEN OR SHORTED. THE DISPLAY WILL INDICATE –40.0.
21 RETURN AIR TEMPERATURE SENSOR HAS FAILED OPEN OR SHORTED. THE DISPLAY WILL INDICATE –40.0.
22 OUTDOOR AIR TEMPERATURE SENSOR HAS FAILED OPEN OR SHORTED. THE DISPLAY WILL INDICATE –40.0.
23
DIRTY FILTER SWITCH HAS CLOSED INDICATING THE FILTERS NEED REPLACED. THIS HAS NO EFFECT ON
THE OPERATION OF THE UNIT.
TABLE 8-9 – ALARM CODE DESCRIPTIONS
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