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Chapter 6: troubleshooting, 1 e8 controller fault codes, 1 using the fault code tables – AERCO Modulex EXT 1530 - 3060 User Manual

Page 103: Modulex ext

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MODULEX EXT

1530, 1912, 2295, 2677, 3060 BOILERS

Installation, Operation & Maintenance Manual

CHAPTER 6: TROUBLESHOOTING

6.1 E8 Controller Fault Codes

Fault codes are displayed in the upper right hand section of the E8 Controller display (see

Figure 6-1). Use

Table 6-1 (next page) to determine the fault message. There are codes for the

following three different devices:

E8 Controller: These are divided into four basic categories: PCB element faults, system

manager faults, communication faults, and internal faults. These fault codes are shown in

Table 6-2.

BCM (Boiler Control Module): These fault codes are shown in Table 6-3.

BMM (Burner Management Module): These fault codes are shown in Table 6-4.



Figure 6-1: E8 Fault Code Location

6.1.1 Using the Fault Code Tables

When interpreting fault codes in the E8 display that refer to the E8 controller itself, the fault

number is directly referenced to an fault description in Table 6-2.
Displayed fault codes not listed in Table 6-2 refer to devices other than the E8 controller, such as

the Boiler Management module (BMM) or Burner Controller Module (BCM). Use Table 6-1 (and

the formula described below the table) to arrive at a fault number, which can be looked up in

Tables 6-3 and 6-4 for the fault description.
In order to derive the fault message from the code displayed in the E8 Controller display, use

Table 6-1 below to determine the working fault code. To use the table, find the displayed

number in the first column, identify the affected module from the second column, apply the

formula from the third column, and identify the fault table to reference from the fourth column.



FAULT CODE

OMM-0095_0E

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12/01/14