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INTEGRATED
FURNACE
CONTROL
ERROR
FLASH
CODES
Flashing
Slow ---
Normal
- No call for Heat
Flashing
Fast ---
Normal
- Call for Heat
Continuous
ON ---
Replace
IFC
Continuous
OFF ---
Check
Power
2 Flashes
---
System
Lockout
(Retries
or Recycles
exceeded)
Draft Pressure
Error-
Possible
problems:
3 Flashes
---
a) Venting
problem
b) Pressure
switch problem
c) Inducer
problem
4 Flashes
---
Open Temperature
Limit Circuit
5 Flashes
---
Flame sensed when
no flame should
be present
6 Flashes
---
115 volt AC power
reversed,
poor grounding
or system
voltage
too low
7 Flashes
---
Gas valve circuit error
8 Flashes
---
Low flame sense signal
Check
Ignitor Circuit
and Line "N" to 24VAC "Common"
voltage
(_<2 volts)
9 Flashes
---
[possible
grounding
problem]
American Standard Inc.
6200 Troup Highway
Tyler, TX 75707
Literature Order Number
File Number
Supersedes
Stocking Location
18-CD 19D6-27
18-CD1-D6-27
08/06
18-CD 19D6-26
PI Louisville & Webb/Mason-Houston
P.l.
For more information contact
Since the manufacturer
has a policy of continuous product and product data improvement,
it reserves the right
your local dealer (distributor)
to change design and specifications
without notice.
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