User Menu Settings; Error Codes - Webasto Cool Top 110 RT-C Notice D'utilisation

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User menu settings

The user can adjust the following settings:
■ Temperature unit (°C / °F), display shows "Tum"
■ Display back-light, display shows "Dim"
AUTO AUTO
MENU
6
MENU Press and hold buttons 6 and "MENU" for 3 sec.
X
6 +
– The user menu opens.
Press button "Recirculation" or "Cooling" to
X
switch between menu items.
MENU
Press button "MENU" to select menu item.
X
Press button "Recirculation" or "Cooling" to ad-
X
just the parameter.
MENU Press button "MENU" to save the parameter val-
X
ue.
Cool Top
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Error codes

If an error occurs the display
shows an error code.
Error
Description
code
033 Empty refrigerant cir-
cuit
118 Short circuit on one
of the digital outputs
120 Water valve feedback Check water valve and its con-
125 Short circuit with
sensor
127 Short circuit with
sensor
129 Short circuit with
sensor
130 Short circuit with
sensor
132 Short circuit with
transducer
133 Short circuit with
transducer
143 Broken connection
with sensor
145 Broken connection
with sensor
147 Broken connection
with sensor
148 Broken connection
with sensor
150 Broken connection
with transducer
151 Broken connection
with transducer
162 Battery overvoltage
163 Battery undervoltage Check battery. Power supply volt-
164 Transducers supply
(5 V) undervoltage
167 Overcurrent fresh air
motor
168 Overcurrent water
valve
Tbl. 01: Error codes
Troubleshooting
Check refrigerant charge. Check
refrigerant leakage. Refill.
Check digital output and relays.
nections
Check NTC 2 Supply air tempera-
ture sensor
Check NTC 1 Internal tempera-
ture sensor
Check NTC 3 External tempera-
ture sensor
Check NTC 4 Internal auxiliary
temperature sensor
Check low pressure transducer
connection
Check high pressure transducer
connection
Check NTC 2 Supply air tempera-
ture sensor
Check NTC 1 Internal tempera-
ture sensor
Check NTC 3 External tempera-
ture sensor
Check NTC 4 Internal auxiliary
temperature sensor
Check low pressure transducer
connection
Check high pressure transducer
connection
Check battery. Power supply volt-
age above 16 V (12 V) or 32 V
(24 V).
age below 9 V (12 V) or 18 V
(24 V).
Check transducers supply line.
Power supply voltage below
4,95 V.
Check motor and its connections.
Current over 1.5 A.
Check water valve and its con-
nections. Current over 1.5 A.
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