Table Of Contents - Samsung RC090MHXEA Service Manual

Table of Contents

Service Manual1
Self-Test Mode2
Operation3
On The Main4
What Makes The Unit Go?5
Interogating The Outdoor Unit6
My Unit Seems To Be Struggling And Is Freezing Up?7
Not Enough Hot Water8
Legionella Protection9
When It Goes Wrong9
Checking The Immersion Heater9
The Operation Of The Hw Cylinder10
Warm Rads In Summer11
The Operation Of The Immersion Heater In The Cylinder11
Heating12
Hot Water12
Tank Timers And Solar13
Set An On Time13
Now Set An Off Time13
To Delete A Timer13
Weather Comp14
Cold Weather Protection15
If You Are Commissioning The Unit From Cold15
Further Cold Weather Cautions15
Testing The Noise Of The Unit16
Sound Level Rc09 & 1616
Compressor Speed Hz16
Fault Codes A Guide17
E121 or Remote Controller Won't Initialise17
E101, E102, E201 And E20218
Advanced Tip18
Electrically Testing The Communications19
E177 Emergency Stop20
E20320
When Operating Correctly The Inverter Pcb20
E221, Temperature Sensors21
E231, Temperature Sensors22
E251, Temperature Sensors23
E320 Temperature Sensors24
E403 – Cold Weather Shutdown25
E407 Fault Code High Pressure Trip, And Flow Rate Problems26
Installing The Hp Switch26
Is The Water Pump Set To Flat Out?27
E44028
E44128
E458 Outdoor Fan No 1 (Top) Error29
E46030
E46431
Is The Compressor Faulty?31
Is The Inverter Pcb Faulty?31
Testing The Inverter Pcb 16Kw32
Testing The Inverter Pcb 9Kw34
How To Replace The Inverter Pcb36
E46637
E46738
Testing Compressors38
E47039
E475 Bottom Fan Error39
Ipm (Inverter) Overheating40
E55440
E60241
E601 And E60442
E65343
E90144
E90245
E90346
E90447
E90648
Temperature Sensor Errors49
Fault Code, Plug Number, Sensor50
E911 And My Units Keep Stopping51
E91252