Replacement Parts Ordering; Model Number Designations; Serial Number Designations - Modine Manufacturing IPT Installation And Service Manual

SERVICE & TROUBLESHOOTING/REPLACEMENT PARTS ORDERING
LED Diagnostic Capability
The LED on the ignition controller indicates the condition of
the control system. The diagnostic codes and their respective
definitions are shown in Table 24.1.
Table 24.1 - Diagnostic Codes
LED DIAGNOSTIC CODES
United Technologies
Green
Steady On Normal operation, no call for heat
Fast flash Normal operation, call for heat
1 flash Pressure switch open, inducer on
2 flashes Pressure switch closed, inducer off
3 flashes Door switch is open
4 flashes Ignition lockout
6 flashes Too many limit switch losses
7 flashes Too many flame losses
Amber
Steady on Flame is sensed
Fast flash Flame present with gas valve off
Figure 24.1 - Model Identification Plate
24
5H079997A1 REV C

Replacement Parts Ordering

When servicing, repairing or replacing parts on these units,
locate the model identification plate of the unit and always
give the complete Model Number and Serial Number. The
model identification plate is located inside the burner casing,
and is shown in Figure 24.1. The part numbers for common
replacement parts are also listed on a separate plate, shown in
Figure 24.1. For a complete description of the Model Number
and Serial Number, see Figures 25.1 and 25.2.
9-511