Maintenance; Testing Board Introduction; Compose Of Testing Board; Instruction Of Function And Data Section - Gree R410A Service Manual

Super Free Match
Service Manual

MAINTENANCE

1 Testing Board Introduction

The testing board is in the front of electrical box and can be observed well. It has several following
advantages:
Automatically detect indoor unit numbers
Automatically assign indoor unit addresses
Automatically display real running function and error code
Option settings to suit the demand of the customer

1.1 Compose of Testing Board

The testing board is composed of the function section, data section and button section.

1.2 Instruction of Function and Data Section

Running
state
① The section will display the numbers of the
Stop
② It will display the address of the indoor
Code
Normal
UE
UP
UC
MAINTENANCE 126
The display of function section
indoor units which have
communication with the outdoor unit. For
example, if there are seven established
indoor units, the section will display "7".
units by turns. For example, the "1b" is
represented of the indoor unit 1B.（BU
module:1/2/3，Indoor unit: A/B/C）
The code of running state:
Running
Code
state
Pressure
UH
equalization
Pump down F7
Cooling H1
① If the function section displays the numbers of
established
the indoor units, the data section will display the
outside temperature. For example, the "35" is
represented of 35℃.
② If the function section displays the address of
the indoor unit, the data section will display the
model of the indoor unit, for example, the "35"
is represented of 35 model.
It displays the target gear of the compressor. If
Running state
the gear is zero, it will display "0". For example, the
gear is the fifteenth; it will display "15". The range
Heating
of the gear is from 0 to 60.
Oil returning
Defrosting
The display of data section