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Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 193

Self-diagnostics Table and Detected Contents, of indoor units or technical guide.

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7-19. Self-diagnostics Table and Detected Contents 1. Specifications The "Alarm Display" shown in the table below expresses the alarm contents displayed when the wired remote controller is connected. For how to handle the alarms, see installation instructions of indoor units or technical guide. Detected contents Communication error in the remote controller circuit Communication error either in the in/ outdoor operation line or the sub-bus of the outdoor unit Operation of indoor protection device Alarm Display Indication lamp on the receiver OPERATIONTIMERSTANDBY Blinking Alternately Operation of outdoor protection device Alternately Alternately Alternately Simultaneously F30, F31 Simultaneously Simultaneously 1 Simultaneously conditioner A01-A31 Inconsistency in Cooling/Heating (Including an auto-temp setting for a model without auto-temp settings) Oil alarm (Same as operation of outdoor protection device) Test operation : OFF : ON (Illuminated) Simultaneously Alternately Alternately Simultaneously : Blinking (0.5 seconds interval) Emergency operation button OPERATION lamp TIMER lamp STANDBY lamp Light receiving section OPERATION lamp TIMERlamp STANDBY lamp Emergency operation button Light receiving section 1-185

Section	Page
TECHNICAL DATA & SERVICE MANUAL	1
IMPORTANT!	2
Check of Density Limit	4
Contents	6
1. SPECIFICATIONS	9
1-1. Unit Specifications	10
1-2. Major Component Specifications	37
1-3. Other Component Specifications	61
1-4. Dimensional Data	64
1-5. Refrigerant Flow Diagram	78
1-6. Operating Range	79
1-7. Capacity Correction Graph According to Temperature Condition	80
1-8. Noise Criterion Curves	81
1-9. Increasing the Fan Speed	90
1-10. External Static Pressure Setting	91
1-11. Air Throw Distance Chart	97
1-12. ELECTRICAL WIRING	105
1-13. Installation Instructions	108
2. PROCESSES AND FUNCTIONS	207
2-1. Room Temperature Control	208
2-2. Cold Draft Prevention (Heating Cycle)	210
2-3. Automatic Fan Speed (Indoor Unit)	211
2-4. Control Functions	212
2-5. Outdoor Unit Control PCB	215
2-6. Outdoor Unit Control PCB (CR-CH4272R)	216
3. ELECTRICAL DATA	219
3-1. Indoor Units	220
3-2. Outdoor Units	232
4. SERVICE PROCEDURES	245
4-1. Meaning of Alarm Messages	246
4-2. Symptoms and Parts to Inspect	249
4-3. Details of Alarm Messages	252
4-4. Table of Thermistor Characteristics	260
5. OUTDOOR UNIT MAINTENANCE REMOTE CONTROL	261
In the case of CZ-RTC2	262
5-1. Overview	262
5-2. Functions	262
5-3. Normal Display Operations and Functions	263
5-4. Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor Temperatures	266
5-5. Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit Alarm History	267
5-6. Setting Modes: Setting the Outdoor Unit EEPROM	267
In the case of CZ-RTC4	271
5-7. Overview	271
5-8. Functions	272
5-9. Normal Display Operations and Functions	273
5-10. Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor Temperatures	278
5-11. Mounting the Outdoor Unit Alarm History :Display of Outdoor Unit Alarm History	280
5-12. Setting Modes : Setting the Outdoor Unit EEPROM	281
6. TEST RUN	285
6-1. Preparing for Test Run	286
6-2. Caution	287
6-3. Test Run Procedure	287
6-4. Items to Check Before the Test Run	288
6-5. Test Run Using the Remote Controller	288
6-6. Precautions	289
6-7. Table of Self-Diagnostic Functions and Corrections (Type F2, U2, T2, K2, U1, K1, T1 and F1)	290