AERCO Modulex EXT 321 - 1123 - Manual (Page 99)

MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
5.5 Service Menu
The SERVICE menu contains the TEST RELAY, SENSOR TEST, and OTHER PARAMETERS
sub-menus as shown below:
NOTE
The SERVICE menu is accessed as shown below. However,
SERVICE MODE ( ) is different and can only be accessed when
the E8 cover is closed.
Figure 5-6: SERVICE Menu
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