77
110332-02 - 6/22
PHTM II
Installation, Operating & Service Instructions
H17
E17
Invalid
Safety
Parameters
[
17
.
0
] Control in program
mode.
Cycle power.
[
17
.
4
] Boiler Type and
BCC mismatch.
WARNING
Asphyxiation Hazard.
Boiler type is factory set and must match boiler model. Boiler
type BCC determines minimum and maximum blower speeds.
Incorrect BCC could cause hazardous burner conditions and
improper operation resulting in severe personal injury, death or
substantial property damage.
To verify boiler type BCC is correct, a qualified technician
should do the following:
• Check boiler model and insert correct Boiler Type BCC.
• Check wiring to Model Key located inside control enclosure.
[
17
.
1
,
17
.
2
,
17
.
3
,
17
.
5
,
17
.
6
] Control is defective.
Cycle power to control, if problem persists replace control or
BCC.
[
17
.
7
] Parameter transfer
from a new BCC is
required or in progress.
Remove and reconnect BCC and cycle power. If problem
persists, replace control or BCC.
[
17
.
6
] Invalid fuel or
altitude selection or power
is cycled too soon after a
fuel selection.
Select desired fuel and altitude. If fuel selection [
A06
] on local
display and power is cycled too fast, select original fuel to clear
alarm before reselecting desired fuel.
[
17
.
8
] BCC is missing,
has incompatible software
revision or is damaged.
Remove and reconnect BCC and cycle power. If problem
persists, replace control or BCC.
!
18
Troubleshooting
(continued)
Table 18-5: Active Fault Code and Corrective Actions (continued)
Detailed Fault Code found on "
b
" and "
c
" menus in brackets, e.g. [
1
.
0
].
Code
Name
Possible Cause
Corrective Action
E15
APS
Defective
(failed to
open)
Defective air proving
switch, failed to open.
• Remove jumper from air proving switch.
• Check switch, tube connection, and wiring. Check tube is
connected and unobstructed. Replace if necessary.
The blower is running
when it should not.
Blower is running before start sequence. This can be caused
by a loss of communication between blower and control,
resulting in blower going to max speed. Possible cause is a
defective wiring harness, blower or control.
H16
E16
Low
Combustion
Air Flow
Air flow is blocked.
Check vent, air inlet, heat exchanger and burner. Remove
obstruction.
Defective air proving
switch.
Check switch, tube connection and wiring. Check tube is
connected and unobstructed. Replace if necessary.
Blower Fault
Check blower, blower power, control and wiring to blower.
