Seiko Group IP-6600 manual Switch test error occurs in the diagnostics

<Rear heater thermistor cannot reach the preset temperature even after 15 minutes.>

ERROR H07

R TEMPERR

<Print heater thermistor cannot reach the preset temperature even after 15 minutes.>

ERROR H08

P TEMPERR

<Switch test error occurs in the diagnostics >

ERROR H09

SWITCH ERROR

<Zero cross error occurs in the diagnostics.>

ERROR H10

ZERO CROSS ERROR

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