Welcome to troubleshooting part of Viessmann Boilers Guide. Before starting any work on Viessmann boiler you should be aware working on any gas appliance without having proper qualifications (Gas Safe Registered) is prohibited by law. Electrical work on Viessmann equipment should be carried out by electricians and system should be commissioned by proper system installer or a qualified person authorized by the installer. Safety first! Working on gas appliance is a serious safety issue. You should never: • smoke • avoid flames and sparks • turn on lights or appliances on/off Attention! Panasonic Pbx Unified Maintenance Console Keygen Photoshop.

Life danger- when smelling the gas you should: • close the shut off gas valve • open doors and windows, let the fresh air in • remove all people and animals from the danger zone • inform your electricity and gas supplier • shut down the electricity supply to the building till the issue is resolved Escaping gas leak can lead to explosions which may result in serious injury! Flue gas can lead to life-threatening poisoning. Whenever you detect the flue gas you should • turn off the heating system • open doors and windows in order to ventilate the room • close all doors to the room When repairing the heating system remember to: • close the main gas shut-off valve and safeguard against unauthorized reopening • isolate the system from the power supply and re-check that it is no longer ‘live’ • protect the system against unauthorized re-connection.

Attention! Electronic modules can be damaged by electrostatic discharges. Touch earthed objects, such as heating or water pipes, to discharge static loads. High limit safety cut-out The high limit safety cut-out is part of the boiler. The high limit safety cut-out is located behind the boiler programming unit. Note that any high limit safety cut-out response requires a manual reset. Senha Para Universal Keygen Generator. This function gets started only when the flow temperature exceeds 100 °C. On another hand this function can be terminated only once the flow temperature has dropped to minumum 70 °C. If you don’t reset this function it will have direct effect on the boiler safety function and can result in system damage.Whenever the high limit safety cut-out has been triggered, check that afterwards the thermally activated safety valve is reset.

In order to perform high limit safety cut out follow steps below: • Move cover A on the programming unit to the right • Press the green button on the high limit safety cut out. A quiet “click” will be audible. The high limit safety cut-out has been reset. •.Close cover A on the programming unit.

• Acknowledge excess temperature at the programming unit of the control unit with OK Fault display For weather-compensated control unit, whenever there is a fault, the red fault indicator A will illuminate on the display and the fault code will be displayed The fault code is displayed with OK. Explanations of most codes are present in the tables below.For some faults, the type of fault is also displayed in plain text. Acknowledging a fault Follow the instructions on the display. Attention! The fault text will be displayed in the short menu. A tool displaying fault message, when connected, will be turned off.

Whenever fault shown on display is not corrected, fault massage will be display again the next day and the fault message facility restarted. In order to call up acknowledged faults you need to choose”fault” in the standard menu.The current faults list will be displayed. Calling up fault codes history (up to 10 records, stored by date): press OK and menu buttons together for about 4 seconds. Choose “fault history” and then “display?” For constant temperature control unit, whenever there is a fault, the red fault indicator A will illuminate on the display and the two digit fault code will be displayed on the programming unit display.

Troubleshooting manual. Welcome to troubleshooting part of Viessmann Boilers Guide. Before starting any work on Viessmann boiler you should be aware working on any gas appliance without having proper qualifications (Gas Safe Registered) is prohibited by law. Electrical work on Viessmann equipment should be. Installation/Service Manual for Atola Cast-Iron Atmospheric Gas-Fired Boiler. IMPORTANT: READ AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE. FOR YOUR SAFETY. If you smell gas: 1. Open windows. Don't touch electrical switches. Extinguish any open.

The fault code is displayed with OK. Explanations of most codes are present in the tables below.For some faults, the type of fault is also displayed in plain text. Acknowledging a fault Follow the instructions on the display.Example: Fault code “42”. In order to acknowledge fault press OK; the standard display will be shown once more. The fault text will be displayed in the short menu.

A tool displaying fault message, when connected, will be turned off. Whenever fault shown on display is not corrected, fault massage will be display again the next day and the fault message facility restarted. In order to call up acknowledged faults you need to press OK for minimum 4 seconds. Calling up fault codes history (up to 10 records, stored by date): press OK and menu buttons together for about 4 seconds.

Choose “fault history” and then “display?” Table 1 General fault finding table applicable for all Viessmann boilers Fault Display Solution Control unit doesn’t issue a heat demand No display Increase set value and ensure heat is drawn off Fan doesn’t start F9 fault on display Verify fan connecting cables and fan itself.