Mitsubishi Electric QAHV-N560YA-HPB Service Handbook page 131

[ IX Troubleshooting ]
Time of data storage before error
Current inlet water temperature Twi
Current outlet water temperature Two
Outdoor temperature Ta
TH15 water temperature (unit)
Refrigerant suction temperature
Refrigerant discharge temperature
Refrigerant temperature at gas cooler outlet
Refrigerant temperature at air heat exchanger inlet
Refrigerant temperature at air heat exchanger outlet
LEV opening
High pressure
Low pressure
Compressor frequency
SH (target superheat)
SH (actual superheat)
Inverter pump opening
Valve opening (pulse)
Heatsink temperature (THHS)
Iu (U-phase current)
Iw (W-phase current)
Idc (BUS current)
Vdc (BUS voltage)
Flow rate (calculated based on the flow-rate sensor reading)
∆LEV opening 1
High-pressure suppression control judgment value HP03
TH16 water temperature (unit)
TH17 water temperature (unit)
Shell temperature
INJ LEV opening
(Note1) Each circuit board displays error data of its own unit and not other units.
(Note2) "Before error" is defined as the period between 19 minutes before the occurrence of an error up to immediately before the occurrence of the error.
HWE1517A
Item
Item
code
c01
c02
c03
c04
c05
c06
c07
c08
c09
c10
c12
c13
c14
c15
c16
c17
c18
c19
c21
c22
c23
c24
c25
c29
c31
c33
c34
c39
c40
- 124 -
LED display
First decimal place
First decimal place
First decimal place
First decimal place
First decimal place
First decimal place
First decimal place
First decimal place
First decimal place
Integer
Second decimal place
Second decimal place
Integer
First decimal place
First decimal place
First decimal place
Integer
First decimal place
First decimal place
First decimal place
First decimal place
Integer
First decimal place
Integer
Second decimal place
First decimal place
First decimal place
First decimal place
Integer
GB