User manual TOSHIBA MMD-AP0151SPH SERVICE MANUAL

[. . . ] A05-006 SERVICE MANUAL <Slim Duct Type> MMD-AP0071SPH (-C, -K), MMD-AP0091SPH (-C, -K), MMD-AP0121SPH (-C, -K), MMD-AP0151SPH (-C, -K), MMD-AP0181SPH (-C, -K), MMD-AP0071SH-C, MMD-AP0091SH-C, MMD-AP0121SH-C, MMD-AP0151SH-C, MMD-AP0181SH-C, · This Service Manual describes contents of the new Slim Duct indoor unit. For the outdoor unit, refer to the Manual with FILE NO. A03-009. PRINTED IN JAPAN, Jul. , 2005 ToMo CONTENTS SAFETY CAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONSTRUCTION VIEWS (EXTERNAL VIEWS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] · Check outdoor P board (I/F) error. . C. F12 F12 01: TS1 02: TS2 A2 I/F TS1, TS2 sensor error Check code Outdoor 7-segment display Main remote controller Check code Sub-code F13 F15 F13 F15 01: Compressor 1 side 02: Compressor 2 side -- Detected AI-NET position central control remote controller 43 18 IPDU I/F Check code name Status Error detection condition Check item (position) TH sensor error Outdoor temp sensor miscabling (TE1, TL) All stop All stop · Resistance value of sensor is · IGBT built-in temp sensor error infinite or zero (Open/Short). · Check installation of TE1 sensor and TL sensor. During operation of compressor in HEAT mode, the · Check characteristics of TE1 and TL sensor resistance value. TE1 detection temp was higher · Check outdoor P board (I/F) error. than that of TL by the specified value continued for 3 minutes or more. High-pressure Pd sensor and low-pressure Ps sensor were exchanged, or output voltages of both sensors are zero. · · · · · · · · · · · · Check connection of high-pressure Pd sensor connector. Check connection of low-pressure Ps sensor connector. Misconnection of Ps sensor and Pd sensor connectors Check connection of Ps sensor connector. Check SV4 circuit error. F16 F16 -- 43 I/F Outdoor pressure sensor miscabling (Pd, Ps) All stop F23 F23 -- 43 I/F Ps sensor error All stop Output voltage of Ps sensor was zero. 72 F24 F24 -- 43 I/F Pd sensor error All stop F29 F31 -- F31 -- -- 12 1C Indoor I/F Indoor other error Outdoor EEPROM error . C. Corresponding Indoor P board did not unit only stops. All stop (*1) H01 H01 01: Compressor 1 side 02: Compressor 2 side 1F IPDU Compressor breakdown All stop H02 H02 01: Compressor 1 side 02: Compressor 2 side 1d IPDU Compressor error (lock) MG-SW error OCR operation All stop Over-current was detected several seconds after header compressor had started. Output voltage of Pd sensor · Check connection of Pd sensor connector. (Sensor Open) · Check Pd sensor error. Pd > 4. 15MPa during stop of · Check outdoor P board (I/F) error. compressor · Check indoor P board error (EEPROM error). . C. Outdoor P board (I/F) did not · Check power voltage. · Check outdoor P board (I/F) error. Inverter current detection circuit · Check power voltage. detected over-current and · Check compressor error. · Check cause of abnormal overload operation. · Check outdoor P board (IPDU) error. [. . . ] To attach EEPROM, arrange the direction as shown in the following figures. In exchanging time, pay attention not to bend the lead wire of IC. P. C. board (MCC-1403) EPROM (IC10) Align notch directions of IC socket and EEPROM for installation. Notch IC socket Notch EPROM EPROM (IC10) 126 <Make a note of the setup contents. [. . . ]