Olimpia splendid Sherpa Série Mode D'emploi page 55

ALARMS SHOWN ON THE CONTROL PANEL OF THE EXTERNAL UNIT
The control panel of the external unit allows access to the alarms that should activate during the operation of the heat pump.
The operating light ref. 2 fig. 23 flashes in the event of a fault.
To do so, keep the pushbuttons
The code of the last alarm will appear to the right hand side of the display while on the left side the alarm code will be shown.
With the arrows or
To cancel the alarms press the
To return to the normal operating position press the
Symptoms and inspection points.
Alarms Meaning
displayed
P03 Anomalous
temperature
Reflow temperature > or =
to the limit temperature
P05 Phase absence detection
(CT disconnected
defect in
supply)
P15 Insufficient cooling power
detected
P19 Blocked 4-way valve.
This warning appears after
the compressor has been
operating for 5 minutes.
P20 High pressure protection
activated due to an excess
of the C2 temperature in
cold mode.
P22 External fan motor defect,
circuit protection
Inverter activated
blocked on the external fan
motor
and pressed simultaneously for 5 seconds.
to the right of the box, scroll the codes of the other 3 previous alarms.
key.
key.
Condition for the
alarm signalling
reflow The device stops the
moment that
temperature
111°C
The value of the intensity
or of current sent by MDC to
the power the external board is low.
Lack of electric power for
3 or more minutes
1 minute of continuous
operation in the following
conditions:
- T° reflow of 95°C or
greater
- Opening of the electronic
pressure regulator at 480
Pas
- Value of the intensity of
current of MDC equal to
1.7 A (three-phase) or 1.0
A (single-phase) or less
T° exceeds 64°C and no
longer drops below 55°C
[min (E1, E2)] ≤ 10°C
T° of the
exchanger increases even
though it is in cold mode
[E2 ≥ 40°C]
The temperature exceeds
65°C and no longer drops
below 55°C or less
> 30 s of continuous
operation: the alarm is
displayed when the first
case occurs
< 30 s of continuous
operation: the Inverter is
stopped
The Inverter stops after the
intervention of the alarm
or
GB
Alarm interruption
conditions
Interruption during restart
the
exceeds
Interruption during restart
Interruption during restart
Interruption during restart
internal
Interruption during restart
Interruption during restart
4.2
4.2.1
Check and
connections
1. Check the refrigeration
cycle (for any leaks)
2. Defect of the pressure
regulator
3. Check the reflow
probe
1. Check the presence
and sequence of
phases R, S and T
2. Check the Inverter
board
3. Check the main
external board
Check the refrigeration
cycle (for any leaks)
1. Check the 4-way valve
2. Check the electrical
power supply of the 4-
way valve
3. Check the external
electronic board
1. Thermodynamic cycle
overheating
2. Check the C2
temperature probe
1. Positioning defect
detected
2. Protection circuit
against overloading
due to overcurrent of
the external fan motor
activated:
- check the external
electronic board
- see the checking
method of the external
fan
SHERPA
4
55