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Installation and Service Manual Epsilon-Series
38
13 Error indication
A detected error is indicated on the display by means of blocking or error messages. A
distinction should be made between these two messages due to the fact that blocking
can be of a temporary nature, however, error messages are xed lockings. The control
will try its utmost to prevent locking and will temporarily switch o the unit by blocking it.
Hereunder is a list of some messages.
Blocks
with a number in the last 2 positions.
Block 01:
External safety contact cut o
Block 11:
Maximum T of ow and return sensor in central heating has repeatedly been exceeded. During
the block normal operation of the hot water supply is possible. The pump continues to operate at minimum
capacity during the block.
Block 12:
Maximum T of ow and return sensor in domestic hot water has repeatedly been exceeded.
During the block normal operation of the central heating installation is possible. During the block the
pump continues to operate at minimum capacity.
Block 60:
Incorrect parameter setting of the minimum or maximum power.
Block 67:
A T has been detected between ow and return sensor whereas the burner is not in operation.
After the T has disappeared the block will disappear.
Block 80:
Maximum ue gas temperature has been exceeded (if present). The block will not be cancelled
until the ue gas temperature has arrived below the temperature.
Block 81:
The ue gas sensor is not connected although it was connected to the control. The burner is bloc-
ked until the ue gas sensor is reconnected.
Block 82:
The ue gas sensor has short-circuited, heat requirement blocked and pump capacity at minimum.
Block 85:
The control has not detected a water ow. The venting cycle is started. If during this cycle water
ow is detected, the venting cycle is ended and the burner is released.
Error with a number in the last two positions.
Error 00: Poor ame-forming
Error 01: Short-circuit of 24 volt circuit
Error 02: No ame-forming
Error 04: Adjustment or error for voltage interruption
Error 05: Adjustment
Error 12: Fuse 24 volt/3AT faulty
Error 18: Maximum ow temperature exceeded
Error 19: Maximum return temperature exceeded
Error 28: Number of revolutions not reported back from fan
Error 69: No or incorrect display
Error 80: Maximum ue gas sensor temperature exceeded
38


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Others manual(s) of A.O. Smith Epsilon EB 40

A.O. Smith Epsilon EB 40 User Manual - English - 16 pages

A.O. Smith Epsilon EB 40 User Manual - Dutch - 16 pages

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A.O. Smith Epsilon EB 40 Installation Guide - French - 44 pages

A.O. Smith Epsilon EB 40 User Manual - French - 16 pages


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