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MR810 Technical Manual Revision C REF 185042601
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6.5.2 REMOVING THE HEATER PLATE
1. Disconnect the power supply, remove the case bottom, unscrew and lift out the PCB (refer to § 6.2).
2. Unscrew the heater plate protective earth wire from the PCB, disconnect the heater plate and the heater
plate thermistor harnesses, separate the case top from the PCB. (Refer to Figure 6.4 for connector
locations).
3. Unscrew the three heater plate mounting screws (refer to Figure 6.6).
4. Remove the case top from the heater plate being careful not to lose the three heater plate springs
underneath.
Figure 6.6: Location of heater plate mounting screws
6.5.3 REPLACING THE HEATER PLATE
Table 7: Spare heater plate part numbers
Model Supply Voltage Heater Plate
Part Number
MR810A-- 230 V~ 043 0 42 236
MR810J-- 115 V~ 043 0 42 237
MR810G-- 100 V~ 043 0 42 238
1. Open the case and remove the PCB (refer to § 6.2).
2. Remove the heater plate (refer to § 6.5.2).
3. Unpack the replacement heater plate and check that it is the correct voltage from Table 7 above.
4. Reinstall the heater plate (refer to § 6.5.7).
5. Reassemble the PCB and the case (refer to § 6.8).
Heater Plate
mounting
screws