Innovation Hot Water Hot Water Boiler User Manual
- INTERNATIONAL
CHAPTER 7 – TROUBLESHOOTING GUIDE
OMM-0120_0A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
103
of
174
GF-128-I
Phone: 800-526-0288
11/15/2016
7.2 ADDITIONAL FAULTS WITHOUT SPECIFIC FAULT MESSAGES
Refer to Table 7-2 to troubleshoot faults which may occur without a specific fault message being displayed.
TABLE 7-2. HOT WATER BOILER TROUBLESHOOTING WITH NO FAULT MESSAGE DISPLAYED
OBSERVED INCIDENT
PROBABLE CAUSES
CORRECTIVE ACTION
Fluctuating Gas Pressure
1.
Gas pressure going into unit is
fluctuating.
1.
Stabilize gas pressure going into unit. If necessary,
troubleshoot Building Supply Regulator.
Air/Fuel Valve “hunting” at
the 80% Valve Position
1.
IGST and Power Supply Boards
in Control Box are outdated.
1.
Check to ensure that the IGST and Power Supply Boards
are Rev. E or higher.
