Mocom millennium B

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Rev. 1

Page 3-

H 404

LCD INDICATION Alarm description Effect/Signaling

Possible cause / Check

Proposed solution

Clean properly gasket and parabola board

PT1

FLUCTUATING

Temperature

fluctuating around the

threshold during the

process phase

Difference between PT1max

and PT1min greater than 2°C

Steam leakage from the door gasket

Replace the door gasket - see card Gr6-1

Identify the valve and clean it

Steam leakage from a valve

Replace the valve causing the problem

- see cards Gr2

Steam leakage from a pipe

Replace the pipe causing the problem

Problem in the water pump of the steam

generator

Replace the water pump - see card Gr3-1

EV6 valve does not open correctly

Replace EV6 - see card Gr3-1

Dismount and replace the O-ring in the steam generator

Problem in the steam generator

Replace the lower section of the steam generator

- see card Gr4-6

Fault in the board

Replace the CPU board - see card Gr1-1

PT1 failure

Replace PT1 - see card Gr1-8

Mocom millennium B - H 404