Mitsubishi Electric EHSC-VM6A Service Manual page 33

<Thermistor Reading>
This function shows the current readings of thermistors located on the water and refrigerant circuit
Thermistor Description
TH1 Room temperature
TH2 Refrigerant return temperature
THW1 Water flow temperature
THW2 Water return temperature
TH5A —
TH5B Tank temperature
TH5C —
TH7 Ambient (outdoor) temperature
<Summary of Settings>
This function shows the current installer/user entered settings.
Abbreviation Explanation
HWtemp DHW max temp
HWdrop DHW temperature drop
HWtime DHW max operation time
NO HW DHW mode restriction
HWset DHW operation mode (Normal/Eco)
Ltemp Legionella hot water temp
Lfreq Legionella operation Frequency
Lstart Legionella mode start time
Ltime Legionella max. operation time
Lkeep Duration of max (Legionella) hot
water temp
<Error History>
Error history allows the service engineer to view previous Error codes, the unit
address and the date on which they occurred. Up to 16 Error codes can be stored
in the history the most recent Error event is displayed at the top of the list.
1. From the service menu select Error history
2. Press CONFIRM.
Please see chapter 10-4. for error code diagnosis and actions.
To delete an Error history item;
1. From Error history screen press F4 button (Rubbish bin icon)
2. Then press F3 button (Yes).
Abbreviation Explanation
mode Operation mode
- HER (Heating room temp)
- HE (Heating flow temp)
- HCC (Heating compensation curve)
- COR (—)
- CO (—)
Hroom Heating target room temp
Hflow Heating target flow temp
Croom —
Cflow —
FSflow Freeze stat function flow temp
FSout Freeze stat function ambient temp
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