Robur GAHP A indoor, Instructions For Installation, Use And Maintenance Manual

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Diagnostics
34
8
inactivity
Before reactivating the appliance, the operator/mainte-
nance technician of the system must first of all:
„
Check whether any maintenance operations are re-
quired (contact the TAC; see Paragraphs 7.2 p. 32 and
7.3
p. 32).
„ Check content and quality of the water in the system, and
if necessary top it up (Paragraphs 3.8 p. 22, 3.7 p. 21
and 3.6 p. 21).
„ Ensure the flue gas exhaust duct is not obstructed, and
that the condensate drain is clean.
After completing the above checks:
1. Open the gas valve and ensure there are no leaks; should
gas smell be noticed, close the gas valve again, do not
switch any electrical devices on and request intervention
by qualified personnel.
2. Power on with the main power supply switch (GS, Figure
4.2 p. 25).
3. Switch on the appliance by means of the provided con-
trol device (Paragraph 4.4
p. 25).
8 DIAGNOSTICS
8.1 OPERATIVE CODES
Table 8.1
Operative codes GAHP A
Code Description Warning (u) Error (E)
400 Flame controller reset circuit fault NA
Power cycle the appliance.
If the code persists, shows up again or in case of doubt, contact
the TAC.
401 Limit thermostat trip Contact the TAC.
402 Flue gas thermostat trip Contact the TAC.
405
Outdoor temperature exceeding
operational limits
NA Reset is automatic when the triggering condition ceases.
406
Outdoor temperature below opera-
tional limits
Non-blocking Warning (informative code).
Reset is automatic when the triggering condi-
tion ceases.
NA
407 High generator temperature
Reset is automatic when the triggering condi-
tion ceases.
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 21).
If the code persists, shows up again or in case of doubt, contact
the TAC.
408 Flame controller error NA Contact authorised Technical Assistance
410 Low hot water flow
Reset is automatic when the triggering condi-
tion ceases.
Check and clean water filters on the system.
Check for air in the system.
Check water flow pump.
Power cycle the appliance.
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 21).
If the code persists, shows up again or in case of doubt, contact
the TAC.
411 Insufficient rotation of oil pump
Reset occurs automatically 20 minutes after the
code is generated.
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 21).
If the code persists, shows up again or in case of doubt, contact
the TAC.
412 Flame controller lockout
Reset is automatic up to 4 attempts (in about 5
minutes).
Check gas supply.
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 20).
If the code persists or in case of doubt, contact the TAC.
416
Hot water delivery temperature probe
fault
NA
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 21).
If the code persists, shows up again or in case of doubt, contact
the TAC.
417
Hot water inlet temperature probe
fault
NA
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 21).
If the code persists, shows up again or in case of doubt, contact
the TAC.
420 Generator temperature probe fault NA
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 21).
If the code persists, shows up again or in case of doubt, contact
the TAC.
422 Water flowmeter fault NA
Reset may be performed from the DDC/CCI or from the S61
board (menu 2, parameter 21).
If the code persists, shows up again or in case of doubt, contact
the TAC.