Norpe NRC-100 Wartungsanweisung Seite 17

1.7 Display signals
During normal functioning, the cabinet
temperature is displayed.
signals upon defrost:
d – Defrost on
pd – Pull down. Cooling until expected
temperature is reached.
hold – Waiting for other cabinets when
synchronizing defrost
alarm signals on probe failures:
err1 – Thermostat probe 1 failure. Call
service.
err2 – Evaporator probe 2 failure. Call
service.
err3 – Cabinet temperature probe  failure.
Call service.
err4..5 – Condenser alarm probe 4 & 5
failure. Call service.
alarm signals upon cabinet malfunction
(condenser overheat):
err6 – Condenser overheat switch is on
and lights are off. Clean the condenser.
if this does not help, call service. Click
the fNC-button or unplug the cabinet to
begin cooling again with lights on.
off – Shutdown due to cooling system
overheat.
1.8 manual activation of defrosting
cycle
To manually activate the defrosting cycle,
press and hold the up key for 5 seconds.
1.9 firmware
To view the firmware version, press and hold
the DoWN key for 5 seconds.
1.10 viewing and modifying
the setpoint value
1. Press and hold the fNC key for 5
seconds to go to the User menu (1.5).
2. Press ok to go to the setpoint value
group folder in use (≡St1 or ≡St2).
. Go to st1 (using up or DoWN key)
and press ok.
4. Edit number (using up or DoWN key)
if needed.
5. Press the ok key to save the new
value or the fNC key to cancel. If the
keys are not pressed within 5 minutes,
the display returns to the cabinet
temperature.
1.11 viewing probe values
1. Press the fNC key to go to the
Measuring menu (1.4).
2. Go to pb 1...5 (using up or DoWN
key) and press ok.
1.12 modifying the compressor
mode
1. Press and hold the ok key for 5
seconds to go to the Service menu.
2. Provide password (see 1.).
. Go to set (using up or DoWN key)
and press ok to display the Settings
folder.
4. Go to C1 (using up or DoWN key)
and press ok.
5. Edit number (using up or DoWN key)
if needed.
6. Press the ok key to save the new
value or the fNC key to cancel.
7. Press the fNC key to return to the
Settings folder, and press fNC again
to return to the normal display.
Norpe Oy 8/2007 17