ERROR CODES
SERVICE MANUAL 73
Error 69
Deliming needed soon
Steps Check list Solution
1 The timer for the steam generator is
aproching the preset limit 30/60/90
houers
Prepar to run the deliming
program to descal the steam
generator
Error 70
Deliming flush needed
Steps Check list Solution
1 There are chemicals/recidues left in the
steam generator.
Run the flushing program for
the steam generator
Error 71
Core probe warrning
Steps Check list Solution
1 Go to technician test menu and check
the feedback values from the three pt100
sensors in the core probe
if one is showing a dierent
value then the rest, replace
core probe.
2 Meassure the wires from I/O board J1 to
the connectors for the core probe
Wire is disconnected, replace
or repair disconnected wire.
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