6.3“See Manual” Error Codes
The following is an explanation of the error codes that are displayed in conjunction with the See Manual indicator flashing. A code is not displayed if the microprocessor has stopped functioning (see technical problems - section 6.2).
Error | Description of Fault |
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E00 | No fault |
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E02 | Microprocessor stack overflow |
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E03 | RAM fault |
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E04 | ROM fault |
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E05 | EEPROM version older than ROM version. Update EEPROM. Refer to Section 7.2.6 | |
E06 | EEPROM version newer than ROM version – (old software). Contact Fisher & Paykel | |
| Healthcare |
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E07 | Model mismatch with software, contact your Fisher & Paykel Healthcare |
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| representative. |
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| NOTE: included in software version 7.14 onward, except 7.21. |
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E10 | Temperature circuit calibration out of range: Range Amp 0: 25.5 °C |
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E11 | Temperature circuit calibration out of range: Range Amp 0: 65.0 °C |
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E12 | Temperature circuit calibration out of range: Range Amp 1: 25.5 °C |
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E13 | Temperature circuit calibration out of range: Range Amp 1: 34.5 °C |
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E14 | Temperature circuit calibration out of range: Range Amp 2: 34.5 °C |
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E15 | Temperature circuit calibration out of range: Range Amp 2: 44.6 °C |
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E16 | Temperature circuit calibration out of range: Range Amp 3: 65.0 °C |
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E20 | Heater wire circuit has malfunctioned, heater can not be energized: |
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| - Heater plate thermal cutout tripped (section 7.2.5) |
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| - Heater wire fuse (F2) is open circuit (section 7.2.2) |
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| - Heater wire triac, or heater wire relay is open circuit |
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E21 | Heater wire circuit has malfunctioned, heater either can not be |
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| monitoring circuit has failed : |
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| - Heater wire triac has shorted |
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| - Heater wire sense circuit has failed |
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E23 | Heater wire voltage measurement circuit faulty |
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E25 | Transistor Q17 is not turning on |
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E26 | Transistor Q16 is not turning on |
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E27 | The heater wire relay is short circuited |
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E28 | Mains voltage measurement is uncalibrated (section 8.1.3) |
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E29 | The heater plate thermistor is short circuited |
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E2A | The heater plate thermistor is open circuit |
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E2C | Heater plate element circuit has malfunctioned is not turning on: |
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| - Element is open circuit |
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| - Heater plate triac or driver faulty |
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| - Heater plate relay is faulty |
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E2D | The heater plate element is not turning off. Heater plate triac circuit faulty. |
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E30 | Power (on/off) button stuck on |
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E31 | Mute button stuck on |
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E32 | Mode button stuck on |
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E40 | Unit not functional tested at time of manufacture |
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| MR850 Technical Manual * Revision J * Issued November 2005 * Ref. 185041340 (185041713 internal) | 27 |