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Power
(GRN)
POWER
Alert
(YEL)
ALERT
TRIP
Trip
(RED)
Fig. 29 — CADM Housing/LED Locations
The POWER LED indicates the presence of control power to
the CADM.
The ALERT LED indicates an abnormal condition exists in the
system through a flash code. The ALERT LED will blink a
number of times consecutively, pause and the repeat the
Comfort Alert
™
Commercial Diagnostics
Green LED - 24VAC Power
Yellow LED - Flash Code
2
System Pressure Trip
3
Short Cycling
4
Locked Rotor
5
Open Circuit
T1
6
Missing Phase
7
Reverse Phase
8
Welded Contactor
9
Low Voltage
Red LED - Protector Open
or no compressor power
T2
Active Protection
PROT breaks 24VAC common
leg of compressor contactor coil
Reset codes and PROT lockout
by removing 24VAC to module
For Two-Stage Applications:
T3
DC SOL operating range: 4-18VAC
Compressor second stage is
energized when YA & Y2 are 24VAC
and Alert and Trip LEDs are off
EMERSON ™
Climate Technologies
Condenser Fans/Motors
Outdoor
Fan 3
Service
Valves
Fig. 30 — 569J*16T/U Cabinet
process. The number of blinks, defined in Table 19, correlates
to a particular abnormal condition; troubleshooting tips are
provided for each Alert code. Reset of the ALERT may be au-
tomatic or manual. If the fault condition causing the Alert is
self-corrected, the Alert code will be removed and the CADM
will automatically reset and allow the system to restart normal-
ly. Manual reset requires that main power to the 569J unit be
recycled after the cause for the Alert condition has been detect-
ed and corrected.
The TRIP LED indicates either a time-delay period is currently
active (RED LED is blinking) or the module has locked out the
compressor (RED LED is on steady). A lockout condition will
occur when the CADM detects a thermostat demand at input Y
but there is no power at the compressor line terminals T1 or T2
or T3. This lockout can occur due to a safety switch (LPS or
HPS) opening and de-energizing the compressor contactor, the
compressor-motor internal overload opens, or other internal
power interruption has occurred. Reset of the TRIP LED re-
quires that unit main power be recycled after the loss of power
to the compressor condition has been detected and corrected.
Simultaneous blinking of YELLOW and RED LEDs indicates
control power input to the CADM is low. Check control circuit
transformer and wiring.
Outdoor
Fan 1
Outdoor
Fan 2
Access Panel -
Control Box and
Compressors
30
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