Error Codes: Overview - Daikin SERHQ020BAW1 Installer And User Reference Manual

19 Relocation
If the system does NOT properly operate except for the above
mentioned cases and none of the above mentioned malfunctions is
evident, investigate the system according to the following
procedures.
Malfunction
The remote controller ▪ Check if there is no power failure. Wait
display is blank. until power is restored. If power failure
occurs during operation, the system
automatically restarts immediately after
power is restored.
▪ Check if no fuse has blown or breaker is
activated. Change the fuse or reset the
breaker if necessary.
▪ Check if the benefit kWh rate power
supply is active.
An error code is Consult your local dealer. Refer to
displayed on the "10.2 Error codes: Overview" on page 45
remote controller. for a detailed list of error codes.
The schedule timer Check if the clock and the day of the week
works, but the are set correctly, and correct if necessary.
programmed actions
are executed at the
wrong time.
The schedule timer is In case
programmed, but does enable the schedule timer.
not work.
Capacity shortage. Consult your local dealer.
If the system does not ▪ Check if there is no power failure. Wait
operate at all. until power is restored. If power failure
occurs during operation, the system
automatically restarts immediately after
power is restored.
▪ Check if no fuse has blown or breaker is
activated. Change the fuse or reset the
breaker if necessary.
If after checking all above items, it is impossible to fix the problem
yourself, contact your installer and state the symptoms, the complete
model name of the unit (with manufacturing number if possible) and
the installation date (possibly listed on the warranty card).
18.1

Error codes: Overview

In case a malfunction code appears on the indoor unit user interface
display, contact your installer and inform the malfunction code, the
unit type, and serial number (you can find this information on the
nameplate of the unit).
For your reference, a list with malfunction codes is provided. You
can, depending on the level of the malfunction code, reset the code
by pushing the ON/OFF button. If not, ask your installer for advice.
Main code
EEPROM failure (indoor unit)
Water circuit malfunction (indoor unit)
Expansion valve malfunction (indoor unit)
Water system warning (indoor unit)
Capacity setting malfunction (indoor unit)
ACS communication malfunction (indoor unit)
Refrigerant liquid thermistor malfunction (indoor unit)
Returning water thermistor malfunction (indoor unit)
Heating leaving water thermistor malfunction (indoor
unit)
User interface thermistor malfunction (indoor unit)
High pressure switch was activated (indoor unit)
Installer and user reference guide
66
Measure
is not displayed, push to
Contents
Main code
Low pressure malfunction (indoor unit)
Refrigerant suction sensor (indoor unit)
Reversed power supply phase malfunction (indoor
unit)
Insufficient supply voltage (indoor unit)
Two user interfaces are connected and both are set to
main (indoor unit)
Type connection problem (indoor unit)
Auto address malfunction (inconsistency) (indoor unit)
19 Relocation
Contact your dealer for removing and reinstalling the total unit.
Moving units requires technical expertise.
20 Disposal
This unit uses hydrofluorocarbon. Contact your dealer when
discarding this unit.
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
SERHQ020~032BAW1 + SEHVX20~64BAW
Contents
Split packaged air-cooled water chiller
4P508020-1B – 2018.04