31
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
55
Heating
Low
Strike3 Heat1
S15 Limit or
Rollout
Gas Unit: Flames have been
detected outside the gas
heater’s fire box.
Electric Unit: Primary Heat Limit
is open. This occurred three or
more times within a demand
cycle.
Strike3 Heat1 S15
Limit Or Rollout
Open
• Gas Unit: S47 (Roll Out Switch 1)
opened 1 (default) time during a
demand. ECTO 3.08.
• Other Units: S15 (El. Heat Limit 1)
has opened three or five (default)
times during a demand. ECTO 1.04
or 2.04.
First heat section off.
56
Heating
Low
Heat1 Cai Sw
S18
No airflow to gas heater. Check
heat section 1 combustion air
motor and proof switch.
Heat1 Cai Sw
S18
• Gas Unit: S18 (Combustion Air
Proof Switch 1) is open.
• Other Units: S63 (El. Heat Limit) is
open.
First heat section off.
57
Heating
Low
Strike3 Heat1
Cai Sw S18
No airflow to gas heater. Check
heat section 1 combustion
air motor and proof switch.
Max number of occurrences
reached.
Strike3 Heat1 Cai
Sw S18
• Gas Unit: S18 (Combustion Air
Proof Switch 1) has opened 3
(default) times during a demand.
ECTO 3.07.
• Other Units: S63 (El. Heat Limit) has
opened 3 (default) times during a
demand. ECTO 2.04
First heat section off.
58
Heating
Low
Heat1 No Proof
GV1
Gas valve 1 not energized
two minutes after thermostat
demand. Check gas supply,
ignition control, and wiring.
(GV1)
Heat1 No Proof
Gv1
Gas valve 1 not energized two minutes
after thermostat demand. Check gas
supply, ignition control, and wiring.
(GV1)
Only action taken is storing code
in memory.
59
Heating
Low
Strike3 Heat1 No
Proof GV1
Gas valve 1 not energized three
(default) times (two minutes
after a demand). Check gas
supply, ignition control and
wiring. ECTO 3.09. (GV1)
Strike3 Heat1 No
Proof Gv1
Gas valve 1 not energized 3 (default)
times (2 minutes after a demand).
Check gas supply, ignition control and
wiring. ECTO 3.09. (GV1)
Only action taken is storing code
in memory.
60
Heating
Low
Primary Heat2
Limit Open
S99
Heat section 2 primary gas heat
limit switch is open. Check air
flow, air filter, limit switch and
wiring.
Primary Heat2 Limit
Open S99
S99 (Primary Heat Limit 2) is open.
S99 (Primary Heat Limit 2) is
open.
61
Heating
Low
Strike3 Pri Heat
Limit Open
Heat section 2 primary gas
heat limit switch has opened
three (default) times during a
demand.
Strike3 Primary
Heat2 Limit Open
S99
S99 (Prim. Ht. Lim. 2) has opened three
(default) times during a demand. ECTO
3.04
S99 (Primary Heat Limit 2) is
open.
62
Heating
Low
Sec Heat Limit
Open S100
Heat section 2 secondary gas
heat limit switch is open. Check
air flow, air filter, limit switch
and wiring.
Secondary Heat2
Limit Open S100
S100 (Secondary Heat Limit 2) is
open.
S99 (Primary Heat Limit 2) is
open.
63
Heating
Low
Strike3 Sec Heat
Limit Open
Heat section 2 secondary gas
heat limit switch has opened
three (default) times during a
demand.
Strike3 Sec Heat2
Limit Open S100
S100 (Secondary Heat Limit 2) has
opened three (default) times during a
demand. ECTO 3.04.
S99 (Primary Heat Limit 2) is
open.
64
Heating
Low
Heat2 Roll Out
Open
Flames have been detected
outside the gas heater’s fire
box.
Heat2 Roll Out
Open
S69 (Roll Out Switch 2) is open.
S99 (Primary Heat Limit 2) is
open.
65
Heating
Low
Strike3 Heat2
Roll Out Open
Flames have been detected
outside the gas heater’s fire
box. This occurred three or
more times within a demand
cycle.
Strike3 Heat2 Roll
Out Open
S69 (Roll Out Switch 2) has opened one
(default) time during a demand. ECTO
3.08.
S99 (Primary Heat Limit 2) is
open.