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ESIE09-08A
External Backup Heater Kit
Appendix
265
6.6
Troubleshooting by Indication on the Remote Controller
Remote control
display
AA
Subcode 0
Applicable models
All indoor models
Method of
malfunction
detection
Malfunction detection is carried out by safety contacts in the heater kit
Malfunction
decision conditions
Supposed causes
Heater kit thermal protector (Q2L, activation temperature: 92°C) or thermal fuse (F1T, activation
temperature: 122°C) error
Heater kit connected to benefit kWh rate power supply and wrongly configured
No heater kit installed
Troubleshooting
Caution
Be sure to turn off power switch before connecting or disconnecting connector,
otherwise parts may be damaged.
External
backup heater
connected?
Set [6-02] to 0
Is the
benefit kWh mode in
use?
NO
YES
YES
Properly configure the wiring
NO
Has the
thermal protector Q1L
operated?
YES
- Check if the circuit is filled with
water and there is no air inside
- Check if waterflow is possible
- Check the flowswitch, relays and
contactors
- Reset Q1L by pressing
NO
Has the 5A
T 250V fuse F1U
melted?
YES
- Check the electrical components
- Replace the fuse
NO
Has the
thermal fuse F1T
melted?
YES
Replace the entire external backup
heater
Summary of Contents for ALTHERMA HT ERSQ 011 AA
Page 2: ......
Page 7: ...ESIE09 08A Table of Contents v 1 3 Service Tools 283 Index i Drawings Flow Charts iii...
Page 16: ...Model Names of Indoor Outdoor Units Tanks ESIE09 08A 4 General Information...
Page 28: ...Refrigerant Circuit ESIE09 08A 16 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 Y1...
Page 40: ...Functional Parts Layout ESIE09 08A 28 Refrigerant Circuit...
Page 63: ...ESIE09 08A PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 51...
Page 64: ...PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 52 Refrigerant Circuit...
Page 125: ...ESIE09 08A Field Setting Test Operation 113...
Page 232: ...Troubleshooting by Indication on the Remote Controller ESIE09 08A 222 Troubleshooting...
Page 237: ...ESIE09 08A Piping Diagrams Appendix 227 EKHBRD 011 014 016 AB AC V1 Y1...
Page 250: ...Wiring Diagrams ESIE09 08A 240 Appendix EKHBRD 011 014 016 AB AC V1...
Page 251: ...ESIE09 08A Wiring Diagrams Appendix 241...
Page 256: ...Wiring Diagrams ESIE09 08A 246 Appendix EKHBRD 011 014 016 AB AC Y1...
Page 257: ...ESIE09 08A Wiring Diagrams Appendix 247...
Page 260: ...Wiring Diagrams ESIE09 08A 250 Appendix...