Friedrich MR09C1F Service Manual

Operation LED (red) Timer LED (green)
0.5 sec / twice
Serial (reverse) error after operation
0.5 sec / three times
Serial (reverse) error during operation
0.5 sec / four times
Serial (forward) error after operation
0.5 sec / five times
Serial (forward) error during operation
Room temp. thermistor error
open / short
Indoor unit
Thermistor
Heat exchange (middle) thermistor error
open / short
Heat exchange thermistor error
open
Outdoor unit
Thermistor
Outdoor temp. thermistor error
open / short
Opposite VDD permanent stop protection
(Electric aircleaner, circuit error)
Outdoor unit PCB
0.5 sec / five times
0.5 sec / six times
1b
Outdoor unit fan control error
0.5 sec / twice Lock
0.5 sec / three times
r.p.m abnormal
Power supply
No Indication Power supply abnormal
Model distinction
11
Model distinction error
Indoor unit fan motor
0.1 sec flashing on all LED
0.1 sec flashing on red and orange LED
Indoor unit PCB
0.5 sec / six times
0.5 sec / four times 0.5 sec / eight times
0.5 sec / three times
0.5 sec / four times
0.5 sec / three times
0A
21
12
Communication
0.5 sec / twice
0.5 sec / twice
0.5 sec / three times
Off
02
04
Indication on wired
remote controller
06
Indication on LED
Contents
Kind of error
01
ERROR CONTENTS
92006.03.13

Friedrich MR09C1F Specifications

General

Brand	Friedrich
Model	MR09C1F
Category	Air Conditioner
Language	English