33
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
80
General Fault
Low
Add On Board
Problem
A communication problem
between the main board and
add-on board has occurred.
Alarm can also be caused by
multiple GP1 (A133) boards set
to the same mode.
Add On Board
Problem
A communication problem between
the main board and add-on board has
occurred. Alarm can also be caused by
multiple GP1 (A133) boards set to the
same mode.
Main board has reset the
communications to the add-on
boards.
81
Configuration
Low
Reheat Setup
Error
Check reheat settings. Alarm
is raised if the user sets up the
unit to use supermarket reheat
on a non-gas unit or to use
Humiditrol reheat on a heat
pump unit
Reheat Setup
Error
IMC configuration error. Unit DIP switch
set to cooling or heat pump unit but
ECTO 4.24 options 1 and 2 apply to
gas units OR Unit DIP switch set to heat
pump but ECTO 4.24 options 3, 5, 6,
and 7 apply to Humiditrol
®
units.
No reheat.
82
Power
Info
Controller
Reset
Main board reset or power
outage has occurred.
Controller Reset
Main board reset or power outage has
occurred.
Only action taken is store code in
memory.
NOTE:
This code is always
recorded at power up
and is only displayed in
error recall mode.
83
Configuration
Low
Incorrect
Settings
Check System configuration.
Incorrect Settings
IMC configuration error. The add-on
boards plugged into the main control
don’t agree with the unit DIP switch
settings. For example, switch is set for
gas, but main board detects an electric
heat board. Check unit DIP switch
setting and add-on boards types.
Unit is off.
84
General Fault
Low
Add-On
Board Not
Responding
An add-on board did not
respond or is not recognized
when polled by main control
during system power-up.
Add-on board with problem will
have flickering heartbeat or no
heartbeat.
Reserved
An add-on board did not respond or is
not recognized when polled by main
control during system power-up. Add-on
board with problem will have flickering
heartbeat or no heartbeat.
Main control has locked out all
add-on boards. Reset control to
restore.
85
Configuration
Info
Incorrect
Humiditrol
Check Humiditrol settings.
Incorrect
Humiditrol
Humiditrol reheat ECTO 4.24 is set to
option 3, 5, 6, or 7, or ECTO 4.25 is set
to 100, but RH1 add-on board is not
installed OR the RH1 add-on board is
detected but ECTO 4.24 is not set to
option 3, 5, 6, or 7, or ECTO 4.25 set
to 100.
No reheat.
86
General Fault
Low
Conflicting
Thermostat
Input
Thermostat input conflict.
Simultaneous heat and cool
demands. Check thermostat
wiring.
Conflicting
Thermostat Input
Thermostat input conflict. Simultaneous
heat and cool demands. Check
thermostat wiring.
Unit is off.
87
General Fault
Info
Unit DIP Switch
Changed
Unit (equipment type) DIP
switch has changed while unit
is energized. Check unit DIP
switch setting and reset control.
Make sure the unit DIP switch
settings agree with the unit
type.
Reserved
Unit (equipment type) DIP switch has
changed while unit is energized. Check
unit DIP switch setting and reset control.
Make sure the unit DIP switch settings
agree with the unit type.
Unit is off.
88
General Fault
Info
ECTO Chip
Problem
This may indicate a problem
with the ECTO chip.
Reserved
This may indicate a problem with the
ECTO chip.
Controller will operate on factory
default ECTO settings.
90
General Fault
Info
RAM Error
RAM error.
Reserved
RAM error.
System reset.
