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[EnergyPlus_Support] Maximum iterations (100) exceeded



Hello all,

Can anyone decode this for me please? I can't understand what's causing 
this error and I don't know how to solve it.

Please, help!

Miroslav

    ** Warning ** SimHVAC: Maximum iterations (100) exceeded for all 
HVAC loops, at ANNUAL1, 05/02 05:00 - 05:15
    **   ~~~   ** The solution for one or more of the Air Loop HVAC 
systems did not appear to converge
    **   ~~~   ** Air System Named = PSZ AC F016 did not converge for 
mass flow rate
    **   ~~~   ** Check values should be zero. Most Recent values listed 
first.
    **   ~~~   ** Demand-to-Supply interface mass flow rate check value 
iteration history trace: 
0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,
    **   ~~~   ** Supply-to-demand interface deck 1 mass flow rate check 
value iteration history trace: 
0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,0.201914,
    **   ~~~   ** Air System Named = PSZ AC F016 did not converge for energy
    **   ~~~   ** Check values should be zero. Most Recent values listed 
first.
    **   ~~~   ** Demand-to-Supply interface energy check value 
iteration history trace: 
4800.364447,4800.364447,4800.364447,4800.364447,4800.364447,4800.364447,4800.364447,4800.364447,4800.364447,4800.364447,
    **   ~~~   ** Supply-to-demand interface deck 1 energy check value 
iteration history trace: 
5078.588825,5078.588825,5078.588825,5078.588825,5078.588825,5078.588825,5078.588825,5078.588825,5078.588825,5078.588825,
    **   ~~~   ** Node named G102 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 0.392272
    **   ~~~   ** Node named G102 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
0.392272,0.392423,0.392272,0.392423,0.392272,0.392423,0.392272,0.392423,0.392272,0.392423,
    **   ~~~   ** Node named G102 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G102 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G108 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 0.187170
    **   ~~~   ** Node named G108 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
0.187170,0.187081,0.187170,0.187081,0.187170,0.187081,0.187170,0.187081,0.187170,0.187081,
    **   ~~~   ** Node named G108 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G108 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G109 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 0.187170
    **   ~~~   ** Node named G109 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
0.187170,0.187081,0.187170,0.187081,0.187170,0.187081,0.187170,0.187081,0.187170,0.187081,
    **   ~~~   ** Node named G109 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G109 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G110 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 6.276358E-003
    **   ~~~   ** Node named G110 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,
    **   ~~~   ** Node named G110 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G110 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G112 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 3.698568E-002
    **   ~~~   ** Node named G112 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
3.698568E-002,3.696805E-002,3.698568E-002,3.696805E-002,3.698568E-002,3.696805E-002,3.698568E-002,3.696805E-002,3.698568E-002,3.696805E-002,
    **   ~~~   ** Node named G112 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G112 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G113 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 5.603891E-002
    **   ~~~   ** Node named G113 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
5.603891E-002,5.601220E-002,5.603891E-002,5.601220E-002,5.603891E-002,5.601220E-002,5.603891E-002,5.601220E-002,5.603891E-002,5.601220E-002,
    **   ~~~   ** Node named G113 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G113 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G114 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 6.276358E-003
    **   ~~~   ** Node named G114 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,6.276358E-003,6.278770E-003,
    **   ~~~   ** Node named G114 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G114 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G117 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 4.046009E-002
    **   ~~~   ** Node named G117 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
4.046009E-002,4.047564E-002,4.046009E-002,4.047564E-002,4.046009E-002,4.047564E-002,4.046009E-002,4.047564E-002,4.046009E-002,4.047564E-002,
    **   ~~~   ** Node named G117 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G117 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G118 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 7.509214E-002
    **   ~~~   ** Node named G118 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
7.509214E-002,7.505635E-002,7.509214E-002,7.505635E-002,7.509214E-002,7.505635E-002,7.509214E-002,7.505635E-002,7.509214E-002,7.505635E-002,
    **   ~~~   ** Node named G118 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G118 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G120 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 3.889100E-002
    **   ~~~   ** Node named G120 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
3.889100E-002,3.887247E-002,3.889100E-002,3.887247E-002,3.889100E-002,3.887247E-002,3.889100E-002,3.887247E-002,3.889100E-002,3.887247E-002,
    **   ~~~   ** Node named G120 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G120 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,
    **   ~~~   ** Node named G201 SUPPLY INLET shows oscillating mass 
flow rate across iterations with a repeated value of 0.275711
    **   ~~~   ** Node named G201 SUPPLY INLET mass flow rate [kg/s] 
iteration history trace (most recent first): 
0.275711,0.275817,0.275711,0.275817,0.275711,0.275817,0.275711,0.275817,0.275711,0.275817,
    **   ~~~   ** Node named G201 SUPPLY INLET shows oscillating 
temperatures across iterations with a repeated value of 23.517455
    **   ~~~   ** Node named G201 SUPPLY INLET temperature [C] iteration 
history trace (most recent first): 
23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,23.517455,23.517268,



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