Panasonic CZ-256ESMC3 Technical Data Manual

Also see for CZ-256ESMC3: Quick reference Operating instructions

ー 11 ー2. Screen display relatedFault diagnosis1. Unit side 1-1 Have you added or removed indoor unit or outdoor unit units? Yes 2No 1-21-2 Have you reconfigured the remote controller group? Yes 1-3No 1-41-3 Is it a group spanning multiple areas? Yes 2No 1-41-4 Did you change [Detailed Settings] of the remote controller? Yes 1-5No 1-61-5 Is it one of the following items?· Cap of indoor unit· System address· Indoor unit address· ECONAVI Yes/No· Presence of heater· Group Main/Sub· Indoor unit type· Actual capacity of indoor unit· Presence of VentOpenYes 2No 1-61-6 Did you perform automatic address from the remote controlleror the outdoor unit?Yes 2No 1-71-7 Have you removed the remote controller and changed thesystem to remote-less?Yes 2No 1-81-8 Although it does not fall under any of the above, does “Config.change” appear for no reason?Yes 3No (END)2 Perform Check Configuration. If the configuration has changed, perform Update Configuration.3 Check whether the inter-unit control wiring has one of the following deficiencies.· Running in parallel with power lines· Branch points exceed 16 places· The total extension exceeds 1 km· There is re-branching after branching· There is a branch point with many branches (“star” or “octopus” configuration)· The distance between one branch point and the next branch point is less than 2 m· Defective termination resistance settings· When shielded wire is used, the shield is grounded on both sides or not grounded· More than 65 indoor units are connected in S-LINKIf [Config. change] still appears even when these changes are made, replace the MAIN board of thecorresponding communication adaptor.If only an Intelligent Controller is used, replace the Intelligent Controller.2-11. Room temperature display is in error ([I/D unit list] screen)1. Indoor unit side 1-1 Does it match the sensor temperature display on the remotecontroller?When using remote control sensor: Sensor address 01When using body sensor: Sensor address 02Yes InvestigatethermistorNo 1-21-2 Is the centralised address set?([Settings] → [System settings] → [Unit settings])Yes 1-3No Apply settings1-3 Is it only in error when heating? (OK except when heating) Yes *1No* 1 When using body sensor with heating, the room temperature after shifting may be displayed.In this case, it does not match the sensor temperature display of the remote controller.2-10. [Config. change] appears on [Alarm list] screen1 Detection methodThis alarm is issued when the system configuration (such as number of adaptors, number of indoor units, andaddresses) has changed or may have been changed, and unlike other alarm messages it does not indicate anerror.2 Diagnosis of failure