28
Table 3. Alarm Faults
Alarm
Mgr
Alarm
ID
Category
Alert
Level
(Severe,
Low,
Info)
Local
Display:
Alert Title
Local Display: Alert
Detailed Description
M3-Specific
Description
IMC Error Description
IMC Action
13
Cooling
Low
Strike3 High
Press S4 Open
Comp1
High pressure switch closed
three times during a demand.
Compressor1 is locked out.
Strike3 High Press
S4 Open Comp1
S4 (High Press. 1) opened 3 (default)
times during a demand. The number of
times is defined in ECTO 1.12 or 4.14.
Note: On Heat Pump 088S units, S4 or
S5 (Compressor discharge temperature)
has opened three (default) times.
Compressor 1 locked off. To
restore:
• 1 - reset
• 2 - two short pushes of
pushbutton or 3-demand
cycles to off.
14
Cooling
Low
High Press S7
Open Comp2
The pressure in Compressor
2 is too high. Compressor is
off.
High Press S7
Open Comp2
S7 (High Press. 2) is open.
Compressor 2 off
15
Cooling
Low
Strike3 High
Press S7 Open
Comp2
High pressure switch closed
three times during a demand.
Compressor2 is locked out.
Strike3 High Press
S7 Open Comp2
S7 (High Press. 2) opened 3 (default)
time during a demand. The number
of times is defined in ECTO 1.12 or
4.14.
Compressor 2 locked off. Requires
a reset or two short pushes of
pushbutton to restore.
16
Cooling
Low
High Press S28
Open Comp3
The pressure in Compressor
3 is too high. Compressor is
off.
High Press S28
Open Comp3
S28 (High Press. 3) is open.
Compressor 3 off
17
Cooling
Low
Strike3 High
Press S28 Open
Comp3
High pressure switch closed
3 times during a demand.
Compressor3 is locked out.
Strike3 High
Press S28 Open
Comp3
S28 (High Press. 3) opened 3 (default)
time during a demand. The number of
times is defined in ECTO 1.12 or 4.14
Compressor 3 locked off. Requires
a reset or two short pushes of
pushbutton to restore.
18
Cooling
Low
High Press S96
Open Comp4
The pressure in Compressor
4 is too high. Compressor is
off.
High Press S96
Open Comp4
S96 (High Press. 4) is open.
Compressor 4 off
19
Cooling
Low
Strike3 High
Press S96 Open
Comp4
High pressure switch closed
three times during a demand.
Compressor4 is locked out.
Strike3 High
Press S96 Open
Comp4
S96 (High Press. 4) opened three
(default) time during a demand. The
number of times is defined in ECTO
1.12 or 4.14.
Compressor 4 locked off. Requires
a reset or two short pushes of
pushbutton to restore.
20
Power
Low
Phase Monitor
Fault
Phase monitor or blower motor
overload switch or inverter fault
output or condensate overflow
switch is indicating an issue.
Phase Monitor
A42, S42, or S149 input is open
between TB1-6 & TB1-23. A42 is a
phase monitor; S42 is blower overload
or inverter fault output; S149 is
condensate overflow switch.
Unit off.
21
Power
Low
Strike3 Phase
Monitor Fault
Phase monitor or blower motor
overload switch or inverter fault
output or condensate overflow
switch opened 3 times during a
demand.
Removed
A42, S42, or S149 input has opened 3
(default) times during a demand.
Unit locked off.
22
Cooling
Low
Low Press S87
Open Comp1
Compressor is off. Check
charge, fans and coil.
Low Press S87
Open Comp1
S87 (Low Press. 1) is open.
Compressor 1 off.
23
Cooling
Low
Strike3 Low
Press S87 Open
Comp1
Compressor is off. Check
charge, fans and coil. Switch
opened 3 times during a
demand.
Strike3 Low
Press S87 Open
Comp1
S87 (Low Press. 1 has opened 3
(default) times during a demand. The
number of times is defined in ECTO
1.13 or 4.15.
Compressor 1 locked off. Requires
a reset or two short pushes of
pushbutton to restore.
24
Cooling
Low
Low Press S88
Open Comp2
Compressor is off. Check
charge, fans and coil.
Low Press S88
Open Comp2
S88 (Low Press. 2) is open.
Compressor 2 off.
25
Cooling
Low
Strike3 Low
Press S88 Open
Comp2
Compressor is off. Check
charge, fans and coil. Switch
opened 3 times during a
demand.
Strike3 Low
Press S88 Open
Comp2
S88 (Low Press. 2) has opened 3
(default) times during a demand. The
number of times is defined in ECTO
1.13 or 4.15.
Compressor 2 locked off. Requires
a reset or two short pushes of
pushbutton to restore.
26
Cooling
Low
Low Press S98
Open Comp3
Compressor is off. Check
charge, fans and coil.
Low Press S98
Open Comp3
S98 (Low Press. 3) is open.
Compressor 3 off.